Home / 1,105,124.57-1,657,686.94-306,406.14

Finding the Fourth Proportional to 1,105,124.57, 1,657,686.94 and 306,406.14

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Solution

The fourth proportional to 1,105,124.57, 1,657,686.94 and 306,406.14 is: 459,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,124.57 : 1,657,686.94 = 306,406.14 : x
  2. Step 2: Convert to fraction form
    1,105,124.57/1,657,686.94 = 306,406.14/x
  3. Step 3: Cross multiply
    1,105,124.57x = 1,657,686.94 × 306,406.14
  4. Step 4: Simplify right side
    1,105,124.57x = 507,925,448,325.38
  5. Step 5: Solve for x
    x = 507,925,448,325.38/1,105,124.57
  6. Step 6: Final answer
    x = 459,609.23

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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.