Home / 1,063,408.20-1,596,278.70-664,499.40

Finding the Fourth Proportional to 1,063,408.20, 1,596,278.70 and 664,499.40

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Solution

The fourth proportional to 1,063,408.20, 1,596,278.70 and 664,499.40 is: 997,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,408.20 : 1,596,278.70 = 664,499.40 : x
  2. Step 2: Convert to fraction form
    1,063,408.20/1,596,278.70 = 664,499.40/x
  3. Step 3: Cross multiply
    1,063,408.20x = 1,596,278.70 × 664,499.40
  4. Step 4: Simplify right side
    1,063,408.20x = 1,060,726,238,382.78
  5. Step 5: Solve for x
    x = 1,060,726,238,382.78/1,063,408.20
  6. Step 6: Final answer
    x = 997,477.96

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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.