Home / 1,099,000.10-1,648,500.15-815,564.90

Finding the Fourth Proportional to 1,099,000.10, 1,648,500.15 and 815,564.90

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Solution

The fourth proportional to 1,099,000.10, 1,648,500.15 and 815,564.90 is: 1,223,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,000.10 : 1,648,500.15 = 815,564.90 : x
  2. Step 2: Convert to fraction form
    1,099,000.10/1,648,500.15 = 815,564.90/x
  3. Step 3: Cross multiply
    1,099,000.10x = 1,648,500.15 × 815,564.90
  4. Step 4: Simplify right side
    1,099,000.10x = 1,344,458,859,984.73
  5. Step 5: Solve for x
    x = 1,344,458,859,984.73/1,099,000.10
  6. Step 6: Final answer
    x = 1,223,347.35

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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.