Home / 918,455.20-1,375,225.20-584,221.60

Finding the Fourth Proportional to 918,455.20, 1,375,225.20 and 584,221.60

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Solution

The fourth proportional to 918,455.20, 1,375,225.20 and 584,221.60 is: 874,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,455.20 : 1,375,225.20 = 584,221.60 : x
  2. Step 2: Convert to fraction form
    918,455.20/1,375,225.20 = 584,221.60/x
  3. Step 3: Cross multiply
    918,455.20x = 1,375,225.20 × 584,221.60
  4. Step 4: Simplify right side
    918,455.20x = 803,436,266,704.32
  5. Step 5: Solve for x
    x = 803,436,266,704.32/918,455.20
  6. Step 6: Final answer
    x = 874,769.14

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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.