Home / 987,569.20-1,481,353.80-738,737.20

Finding the Fourth Proportional to 987,569.20, 1,481,353.80 and 738,737.20

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Solution

The fourth proportional to 987,569.20, 1,481,353.80 and 738,737.20 is: 1,108,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,569.20 : 1,481,353.80 = 738,737.20 : x
  2. Step 2: Convert to fraction form
    987,569.20/1,481,353.80 = 738,737.20/x
  3. Step 3: Cross multiply
    987,569.20x = 1,481,353.80 × 738,737.20
  4. Step 4: Simplify right side
    987,569.20x = 1,094,331,158,421.36
  5. Step 5: Solve for x
    x = 1,094,331,158,421.36/987,569.20
  6. Step 6: Final answer
    x = 1,108,105.80

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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.