Home / 1,387,065.60-2,081,116.80-546,203.52

Finding the Fourth Proportional to 1,387,065.60, 2,081,116.80 and 546,203.52

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Solution

The fourth proportional to 1,387,065.60, 2,081,116.80 and 546,203.52 is: 819,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,065.60 : 2,081,116.80 = 546,203.52 : x
  2. Step 2: Convert to fraction form
    1,387,065.60/2,081,116.80 = 546,203.52/x
  3. Step 3: Cross multiply
    1,387,065.60x = 2,081,116.80 × 546,203.52
  4. Step 4: Simplify right side
    1,387,065.60x = 1,136,713,321,691.14
  5. Step 5: Solve for x
    x = 1,136,713,321,691.14/1,387,065.60
  6. Step 6: Final answer
    x = 819,509.42

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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.