Home / 1,279,520.48-1,765,693.68-735,638.24

Finding the Fourth Proportional to 1,279,520.48, 1,765,693.68 and 735,638.24

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Solution

The fourth proportional to 1,279,520.48, 1,765,693.68 and 735,638.24 is: 1,015,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,520.48 : 1,765,693.68 = 735,638.24 : x
  2. Step 2: Convert to fraction form
    1,279,520.48/1,765,693.68 = 735,638.24/x
  3. Step 3: Cross multiply
    1,279,520.48x = 1,765,693.68 × 735,638.24
  4. Step 4: Simplify right side
    1,279,520.48x = 1,298,911,791,134.32
  5. Step 5: Solve for x
    x = 1,298,911,791,134.32/1,279,520.48
  6. Step 6: Final answer
    x = 1,015,155.14

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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.