Home / 1,087,393.91-1,500,561.80-603,989.85

Finding the Fourth Proportional to 1,087,393.91, 1,500,561.80 and 603,989.85

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Solution

The fourth proportional to 1,087,393.91, 1,500,561.80 and 603,989.85 is: 833,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,393.91 : 1,500,561.80 = 603,989.85 : x
  2. Step 2: Convert to fraction form
    1,087,393.91/1,500,561.80 = 603,989.85/x
  3. Step 3: Cross multiply
    1,087,393.91x = 1,500,561.80 × 603,989.85
  4. Step 4: Simplify right side
    1,087,393.91x = 906,324,096,497.73
  5. Step 5: Solve for x
    x = 906,324,096,497.73/1,087,393.91
  6. Step 6: Final answer
    x = 833,482.78

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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.