Home / 859,957.34-1,291,802.25-727,104.38

Finding the Fourth Proportional to 859,957.34, 1,291,802.25 and 727,104.38

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Solution

The fourth proportional to 859,957.34, 1,291,802.25 and 727,104.38 is: 1,092,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,957.34 : 1,291,802.25 = 727,104.38 : x
  2. Step 2: Convert to fraction form
    859,957.34/1,291,802.25 = 727,104.38/x
  3. Step 3: Cross multiply
    859,957.34x = 1,291,802.25 × 727,104.38
  4. Step 4: Simplify right side
    859,957.34x = 939,275,074,068.86
  5. Step 5: Solve for x
    x = 939,275,074,068.86/859,957.34
  6. Step 6: Final answer
    x = 1,092,234.50

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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.