Home / 1,487,215.28-2,052,387.42-808,195.52

Finding the Fourth Proportional to 1,487,215.28, 2,052,387.42 and 808,195.52

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Solution

The fourth proportional to 1,487,215.28, 2,052,387.42 and 808,195.52 is: 1,115,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,215.28 : 2,052,387.42 = 808,195.52 : x
  2. Step 2: Convert to fraction form
    1,487,215.28/2,052,387.42 = 808,195.52/x
  3. Step 3: Cross multiply
    1,487,215.28x = 2,052,387.42 × 808,195.52
  4. Step 4: Simplify right side
    1,487,215.28x = 1,658,730,320,248.59
  5. Step 5: Solve for x
    x = 1,658,730,320,248.59/1,487,215.28
  6. Step 6: Final answer
    x = 1,115,326.30

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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.