Home / 1,298,476.32-1,791,863.60-725,520.48

Finding the Fourth Proportional to 1,298,476.32, 1,791,863.60 and 725,520.48

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Solution

The fourth proportional to 1,298,476.32, 1,791,863.60 and 725,520.48 is: 1,001,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,476.32 : 1,791,863.60 = 725,520.48 : x
  2. Step 2: Convert to fraction form
    1,298,476.32/1,791,863.60 = 725,520.48/x
  3. Step 3: Cross multiply
    1,298,476.32x = 1,791,863.60 × 725,520.48
  4. Step 4: Simplify right side
    1,298,476.32x = 1,300,033,739,166.53
  5. Step 5: Solve for x
    x = 1,300,033,739,166.53/1,298,476.32
  6. Step 6: Final answer
    x = 1,001,199.42

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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.