Home / 1,099,872.90-1,648,497.15-987,023.70

Finding the Fourth Proportional to 1,099,872.90, 1,648,497.15 and 987,023.70

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Solution

The fourth proportional to 1,099,872.90, 1,648,497.15 and 987,023.70 is: 1,479,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,872.90 : 1,648,497.15 = 987,023.70 : x
  2. Step 2: Convert to fraction form
    1,099,872.90/1,648,497.15 = 987,023.70/x
  3. Step 3: Cross multiply
    1,099,872.90x = 1,648,497.15 × 987,023.70
  4. Step 4: Simplify right side
    1,099,872.90x = 1,627,105,756,432.45
  5. Step 5: Solve for x
    x = 1,627,105,756,432.45/1,099,872.90
  6. Step 6: Final answer
    x = 1,479,357.98

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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.