Home / 1,431,377.48-2,147,417.76-712,058.60

Finding the Fourth Proportional to 1,431,377.48, 2,147,417.76 and 712,058.60

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Solution

The fourth proportional to 1,431,377.48, 2,147,417.76 and 712,058.60 is: 1,068,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,377.48 : 2,147,417.76 = 712,058.60 : x
  2. Step 2: Convert to fraction form
    1,431,377.48/2,147,417.76 = 712,058.60/x
  3. Step 3: Cross multiply
    1,431,377.48x = 2,147,417.76 × 712,058.60
  4. Step 4: Simplify right side
    1,431,377.48x = 1,529,087,283,800.74
  5. Step 5: Solve for x
    x = 1,529,087,283,800.74/1,431,377.48
  6. Step 6: Final answer
    x = 1,068,262.78

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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.