Home / 918,513.20-1,375,312.20-584,279.60

Finding the Fourth Proportional to 918,513.20, 1,375,312.20 and 584,279.60

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Solution

The fourth proportional to 918,513.20, 1,375,312.20 and 584,279.60 is: 874,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,513.20 : 1,375,312.20 = 584,279.60 : x
  2. Step 2: Convert to fraction form
    918,513.20/1,375,312.20 = 584,279.60/x
  3. Step 3: Cross multiply
    918,513.20x = 1,375,312.20 × 584,279.60
  4. Step 4: Simplify right side
    918,513.20x = 803,566,862,091.12
  5. Step 5: Solve for x
    x = 803,566,862,091.12/918,513.20
  6. Step 6: Final answer
    x = 874,856.08

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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.