Home / 1,266,740.86-1,748,227.46-722,957.89

Finding the Fourth Proportional to 1,266,740.86, 1,748,227.46 and 722,957.89

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Solution

The fourth proportional to 1,266,740.86, 1,748,227.46 and 722,957.89 is: 997,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,740.86 : 1,748,227.46 = 722,957.89 : x
  2. Step 2: Convert to fraction form
    1,266,740.86/1,748,227.46 = 722,957.89/x
  3. Step 3: Cross multiply
    1,266,740.86x = 1,748,227.46 × 722,957.89
  4. Step 4: Simplify right side
    1,266,740.86x = 1,263,894,835,721.66
  5. Step 5: Solve for x
    x = 1,263,894,835,721.66/1,266,740.86
  6. Step 6: Final answer
    x = 997,753.27

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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.