Home / 1,152,000.62-1,589,761.86-642,703.16

Finding the Fourth Proportional to 1,152,000.62, 1,589,761.86 and 642,703.16

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Solution

The fourth proportional to 1,152,000.62, 1,589,761.86 and 642,703.16 is: 886,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,000.62 : 1,589,761.86 = 642,703.16 : x
  2. Step 2: Convert to fraction form
    1,152,000.62/1,589,761.86 = 642,703.16/x
  3. Step 3: Cross multiply
    1,152,000.62x = 1,589,761.86 × 642,703.16
  4. Step 4: Simplify right side
    1,152,000.62x = 1,021,744,971,069.48
  5. Step 5: Solve for x
    x = 1,021,744,971,069.48/1,152,000.62
  6. Step 6: Final answer
    x = 886,930.92

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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.