Home / 1,247,373.48-1,721,373.94-674,412.30

Finding the Fourth Proportional to 1,247,373.48, 1,721,373.94 and 674,412.30

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Solution

The fourth proportional to 1,247,373.48, 1,721,373.94 and 674,412.30 is: 930,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,373.48 : 1,721,373.94 = 674,412.30 : x
  2. Step 2: Convert to fraction form
    1,247,373.48/1,721,373.94 = 674,412.30/x
  3. Step 3: Cross multiply
    1,247,373.48x = 1,721,373.94 × 674,412.30
  4. Step 4: Simplify right side
    1,247,373.48x = 1,160,915,758,035.46
  5. Step 5: Solve for x
    x = 1,160,915,758,035.46/1,247,373.48
  6. Step 6: Final answer
    x = 930,688.18

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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.