Home / 1,008,099.10-1,512,148.65-921,007.90

Finding the Fourth Proportional to 1,008,099.10, 1,512,148.65 and 921,007.90

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Solution

The fourth proportional to 1,008,099.10, 1,512,148.65 and 921,007.90 is: 1,381,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,099.10 : 1,512,148.65 = 921,007.90 : x
  2. Step 2: Convert to fraction form
    1,008,099.10/1,512,148.65 = 921,007.90/x
  3. Step 3: Cross multiply
    1,008,099.10x = 1,512,148.65 × 921,007.90
  4. Step 4: Simplify right side
    1,008,099.10x = 1,392,700,852,624.34
  5. Step 5: Solve for x
    x = 1,392,700,852,624.34/1,008,099.10
  6. Step 6: Final answer
    x = 1,381,511.85

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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.