Home / 690,754-1,036,189.32-192,118

Finding the Fourth Proportional to 690,754, 1,036,189.32 and 192,118

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Solution

The fourth proportional to 690,754, 1,036,189.32 and 192,118 is: 288,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,754 : 1,036,189.32 = 192,118 : x
  2. Step 2: Convert to fraction form
    690,754/1,036,189.32 = 192,118/x
  3. Step 3: Cross multiply
    690,754x = 1,036,189.32 × 192,118
  4. Step 4: Simplify right side
    690,754x = 199,070,619,779.76
  5. Step 5: Solve for x
    x = 199,070,619,779.76/690,754
  6. Step 6: Final answer
    x = 288,193.22

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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.