Home / 1,245,600.90-1,869,276.15-797,411.70

Finding the Fourth Proportional to 1,245,600.90, 1,869,276.15 and 797,411.70

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Solution

The fourth proportional to 1,245,600.90, 1,869,276.15 and 797,411.70 is: 1,196,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,600.90 : 1,869,276.15 = 797,411.70 : x
  2. Step 2: Convert to fraction form
    1,245,600.90/1,869,276.15 = 797,411.70/x
  3. Step 3: Cross multiply
    1,245,600.90x = 1,869,276.15 × 797,411.70
  4. Step 4: Simplify right side
    1,245,600.90x = 1,490,582,672,540.95
  5. Step 5: Solve for x
    x = 1,490,582,672,540.95/1,245,600.90
  6. Step 6: Final answer
    x = 1,196,677.58

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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.