Home / 756,445.80-1,133,502.30-656,135.40

Finding the Fourth Proportional to 756,445.80, 1,133,502.30 and 656,135.40

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Solution

The fourth proportional to 756,445.80, 1,133,502.30 and 656,135.40 is: 983,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,445.80 : 1,133,502.30 = 656,135.40 : x
  2. Step 2: Convert to fraction form
    756,445.80/1,133,502.30 = 656,135.40/x
  3. Step 3: Cross multiply
    756,445.80x = 1,133,502.30 × 656,135.40
  4. Step 4: Simplify right side
    756,445.80x = 743,730,985,011.42
  5. Step 5: Solve for x
    x = 743,730,985,011.42/756,445.80
  6. Step 6: Final answer
    x = 983,191.37

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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.