Home / 1,309,250.25-1,806,737.00-757,989.20

Finding the Fourth Proportional to 1,309,250.25, 1,806,737.00 and 757,989.20

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Solution

The fourth proportional to 1,309,250.25, 1,806,737.00 and 757,989.20 is: 1,046,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,250.25 : 1,806,737.00 = 757,989.20 : x
  2. Step 2: Convert to fraction form
    1,309,250.25/1,806,737.00 = 757,989.20/x
  3. Step 3: Cross multiply
    1,309,250.25x = 1,806,737.00 × 757,989.20
  4. Step 4: Simplify right side
    1,309,250.25x = 1,369,487,120,416.77
  5. Step 5: Solve for x
    x = 1,369,487,120,416.77/1,309,250.25
  6. Step 6: Final answer
    x = 1,046,008.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.