Home / 1,071,379.03-1,478,521.02-587,989.15

Finding the Fourth Proportional to 1,071,379.03, 1,478,521.02 and 587,989.15

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Solution

The fourth proportional to 1,071,379.03, 1,478,521.02 and 587,989.15 is: 811,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,379.03 : 1,478,521.02 = 587,989.15 : x
  2. Step 2: Convert to fraction form
    1,071,379.03/1,478,521.02 = 587,989.15/x
  3. Step 3: Cross multiply
    1,071,379.03x = 1,478,521.02 × 587,989.15
  4. Step 4: Simplify right side
    1,071,379.03x = 869,354,317,806.93
  5. Step 5: Solve for x
    x = 869,354,317,806.93/1,071,379.03
  6. Step 6: Final answer
    x = 811,434.88

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.