Home / 813,543.52-1,220,325.68-560,756.16

Finding the Fourth Proportional to 813,543.52, 1,220,325.68 and 560,756.16

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Solution

The fourth proportional to 813,543.52, 1,220,325.68 and 560,756.16 is: 841,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,543.52 : 1,220,325.68 = 560,756.16 : x
  2. Step 2: Convert to fraction form
    813,543.52/1,220,325.68 = 560,756.16/x
  3. Step 3: Cross multiply
    813,543.52x = 1,220,325.68 × 560,756.16
  4. Step 4: Simplify right side
    813,543.52x = 684,305,142,266.19
  5. Step 5: Solve for x
    x = 684,305,142,266.19/813,543.52
  6. Step 6: Final answer
    x = 841,141.41

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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.