Home / 1,254,442.60-1,731,279.18-745,147

Finding the Fourth Proportional to 1,254,442.60, 1,731,279.18 and 745,147

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Solution

The fourth proportional to 1,254,442.60, 1,731,279.18 and 745,147 is: 1,028,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,442.60 : 1,731,279.18 = 745,147 : x
  2. Step 2: Convert to fraction form
    1,254,442.60/1,731,279.18 = 745,147/x
  3. Step 3: Cross multiply
    1,254,442.60x = 1,731,279.18 × 745,147
  4. Step 4: Simplify right side
    1,254,442.60x = 1,290,057,487,139.46
  5. Step 5: Solve for x
    x = 1,290,057,487,139.46/1,254,442.60
  6. Step 6: Final answer
    x = 1,028,391.01

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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.