Home / 918,158.38-1,266,665.52-573,395.77

Finding the Fourth Proportional to 918,158.38, 1,266,665.52 and 573,395.77

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Solution

The fourth proportional to 918,158.38, 1,266,665.52 and 573,395.77 is: 791,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,158.38 : 1,266,665.52 = 573,395.77 : x
  2. Step 2: Convert to fraction form
    918,158.38/1,266,665.52 = 573,395.77/x
  3. Step 3: Cross multiply
    918,158.38x = 1,266,665.52 × 573,395.77
  4. Step 4: Simplify right side
    918,158.38x = 726,300,651,172.85
  5. Step 5: Solve for x
    x = 726,300,651,172.85/918,158.38
  6. Step 6: Final answer
    x = 791,040.70

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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.