Home / 1,240,001.75-1,711,144.14-688,753.22

Finding the Fourth Proportional to 1,240,001.75, 1,711,144.14 and 688,753.22

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Solution

The fourth proportional to 1,240,001.75, 1,711,144.14 and 688,753.22 is: 950,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,001.75 : 1,711,144.14 = 688,753.22 : x
  2. Step 2: Convert to fraction form
    1,240,001.75/1,711,144.14 = 688,753.22/x
  3. Step 3: Cross multiply
    1,240,001.75x = 1,711,144.14 × 688,753.22
  4. Step 4: Simplify right side
    1,240,001.75x = 1,178,556,027,753.41
  5. Step 5: Solve for x
    x = 1,178,556,027,753.41/1,240,001.75
  6. Step 6: Final answer
    x = 950,447.07

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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.