Home / 1,072,529.20-1,609,009.80-314,369.20

Finding the Fourth Proportional to 1,072,529.20, 1,609,009.80 and 314,369.20

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Solution

The fourth proportional to 1,072,529.20, 1,609,009.80 and 314,369.20 is: 471,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,529.20 : 1,609,009.80 = 314,369.20 : x
  2. Step 2: Convert to fraction form
    1,072,529.20/1,609,009.80 = 314,369.20/x
  3. Step 3: Cross multiply
    1,072,529.20x = 1,609,009.80 × 314,369.20
  4. Step 4: Simplify right side
    1,072,529.20x = 505,823,123,618.16
  5. Step 5: Solve for x
    x = 505,823,123,618.16/1,072,529.20
  6. Step 6: Final answer
    x = 471,617.11

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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.