Home / 1,299,787.52-1,793,909.76-790,649.60

Finding the Fourth Proportional to 1,299,787.52, 1,793,909.76 and 790,649.60

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Solution

The fourth proportional to 1,299,787.52, 1,793,909.76 and 790,649.60 is: 1,091,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,787.52 : 1,793,909.76 = 790,649.60 : x
  2. Step 2: Convert to fraction form
    1,299,787.52/1,793,909.76 = 790,649.60/x
  3. Step 3: Cross multiply
    1,299,787.52x = 1,793,909.76 × 790,649.60
  4. Step 4: Simplify right side
    1,299,787.52x = 1,418,354,034,180.10
  5. Step 5: Solve for x
    x = 1,418,354,034,180.10/1,299,787.52
  6. Step 6: Final answer
    x = 1,091,219.92

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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.