Home / 1,406,099.38-2,109,258.42-459,565.78

Finding the Fourth Proportional to 1,406,099.38, 2,109,258.42 and 459,565.78

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Solution

The fourth proportional to 1,406,099.38, 2,109,258.42 and 459,565.78 is: 689,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,099.38 : 2,109,258.42 = 459,565.78 : x
  2. Step 2: Convert to fraction form
    1,406,099.38/2,109,258.42 = 459,565.78/x
  3. Step 3: Cross multiply
    1,406,099.38x = 2,109,258.42 × 459,565.78
  4. Step 4: Simplify right side
    1,406,099.38x = 969,342,988,232.41
  5. Step 5: Solve for x
    x = 969,342,988,232.41/1,406,099.38
  6. Step 6: Final answer
    x = 689,384.41

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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.