Home / 1,019,969.10-1,529,953.65-355,121.10

Finding the Fourth Proportional to 1,019,969.10, 1,529,953.65 and 355,121.10

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Solution

The fourth proportional to 1,019,969.10, 1,529,953.65 and 355,121.10 is: 532,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,969.10 : 1,529,953.65 = 355,121.10 : x
  2. Step 2: Convert to fraction form
    1,019,969.10/1,529,953.65 = 355,121.10/x
  3. Step 3: Cross multiply
    1,019,969.10x = 1,529,953.65 × 355,121.10
  4. Step 4: Simplify right side
    1,019,969.10x = 543,318,823,137.02
  5. Step 5: Solve for x
    x = 543,318,823,137.02/1,019,969.10
  6. Step 6: Final answer
    x = 532,681.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.