Home / 1,386,262.29-2,078,503.44-577,207.15

Finding the Fourth Proportional to 1,386,262.29, 2,078,503.44 and 577,207.15

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Solution

The fourth proportional to 1,386,262.29, 2,078,503.44 and 577,207.15 is: 865,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,262.29 : 2,078,503.44 = 577,207.15 : x
  2. Step 2: Convert to fraction form
    1,386,262.29/2,078,503.44 = 577,207.15/x
  3. Step 3: Cross multiply
    1,386,262.29x = 2,078,503.44 × 577,207.15
  4. Step 4: Simplify right side
    1,386,262.29x = 1,199,727,046,867.60
  5. Step 5: Solve for x
    x = 1,199,727,046,867.60/1,386,262.29
  6. Step 6: Final answer
    x = 865,440.15

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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.