Home / 1,276,644.52-1,915,015.38-477,841.96

Finding the Fourth Proportional to 1,276,644.52, 1,915,015.38 and 477,841.96

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Solution

The fourth proportional to 1,276,644.52, 1,915,015.38 and 477,841.96 is: 716,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,644.52 : 1,915,015.38 = 477,841.96 : x
  2. Step 2: Convert to fraction form
    1,276,644.52/1,915,015.38 = 477,841.96/x
  3. Step 3: Cross multiply
    1,276,644.52x = 1,915,015.38 × 477,841.96
  4. Step 4: Simplify right side
    1,276,644.52x = 915,074,702,609.35
  5. Step 5: Solve for x
    x = 915,074,702,609.35/1,276,644.52
  6. Step 6: Final answer
    x = 716,781.13

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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.