Home / 756,020.40-1,132,718.40-708,781.20

Finding the Fourth Proportional to 756,020.40, 1,132,718.40 and 708,781.20

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Solution

The fourth proportional to 756,020.40, 1,132,718.40 and 708,781.20 is: 1,061,941.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,020.40 : 1,132,718.40 = 708,781.20 : x
  2. Step 2: Convert to fraction form
    756,020.40/1,132,718.40 = 708,781.20/x
  3. Step 3: Cross multiply
    756,020.40x = 1,132,718.40 × 708,781.20
  4. Step 4: Simplify right side
    756,020.40x = 802,849,506,814.08
  5. Step 5: Solve for x
    x = 802,849,506,814.08/756,020.40
  6. Step 6: Final answer
    x = 1,061,941.59

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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.