Home / 1,399,387.04-2,097,750.54-547,005.12

Finding the Fourth Proportional to 1,399,387.04, 2,097,750.54 and 547,005.12

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Solution

The fourth proportional to 1,399,387.04, 2,097,750.54 and 547,005.12 is: 819,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,387.04 : 2,097,750.54 = 547,005.12 : x
  2. Step 2: Convert to fraction form
    1,399,387.04/2,097,750.54 = 547,005.12/x
  3. Step 3: Cross multiply
    1,399,387.04x = 2,097,750.54 × 547,005.12
  4. Step 4: Simplify right side
    1,399,387.04x = 1,147,480,285,862.76
  5. Step 5: Solve for x
    x = 1,147,480,285,862.76/1,399,387.04
  6. Step 6: Final answer
    x = 819,987.79

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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.