Home / 906,632.80-1,359,949.20-749,039.20

Finding the Fourth Proportional to 906,632.80, 1,359,949.20 and 749,039.20

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Solution

The fourth proportional to 906,632.80, 1,359,949.20 and 749,039.20 is: 1,123,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,632.80 : 1,359,949.20 = 749,039.20 : x
  2. Step 2: Convert to fraction form
    906,632.80/1,359,949.20 = 749,039.20/x
  3. Step 3: Cross multiply
    906,632.80x = 1,359,949.20 × 749,039.20
  4. Step 4: Simplify right side
    906,632.80x = 1,018,655,260,808.64
  5. Step 5: Solve for x
    x = 1,018,655,260,808.64/906,632.80
  6. Step 6: Final answer
    x = 1,123,558.80

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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.