Home / 1,099,256.10-1,648,884.15-815,820.90

Finding the Fourth Proportional to 1,099,256.10, 1,648,884.15 and 815,820.90

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Solution

The fourth proportional to 1,099,256.10, 1,648,884.15 and 815,820.90 is: 1,223,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,256.10 : 1,648,884.15 = 815,820.90 : x
  2. Step 2: Convert to fraction form
    1,099,256.10/1,648,884.15 = 815,820.90/x
  3. Step 3: Cross multiply
    1,099,256.10x = 1,648,884.15 × 815,820.90
  4. Step 4: Simplify right side
    1,099,256.10x = 1,345,194,151,248.73
  5. Step 5: Solve for x
    x = 1,345,194,151,248.73/1,099,256.10
  6. Step 6: Final answer
    x = 1,223,731.35

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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.