Home / 1,386,285.28-2,078,538.04-577,230.16

Finding the Fourth Proportional to 1,386,285.28, 2,078,538.04 and 577,230.16

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Solution

The fourth proportional to 1,386,285.28, 2,078,538.04 and 577,230.16 is: 865,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,285.28 : 2,078,538.04 = 577,230.16 : x
  2. Step 2: Convert to fraction form
    1,386,285.28/2,078,538.04 = 577,230.16/x
  3. Step 3: Cross multiply
    1,386,285.28x = 2,078,538.04 × 577,230.16
  4. Step 4: Simplify right side
    1,386,285.28x = 1,199,794,845,395.29
  5. Step 5: Solve for x
    x = 1,199,794,845,395.29/1,386,285.28
  6. Step 6: Final answer
    x = 865,474.71

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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.