Home / 920,959.92-1,270,587.60-558,122.04

Finding the Fourth Proportional to 920,959.92, 1,270,587.60 and 558,122.04

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Solution

The fourth proportional to 920,959.92, 1,270,587.60 and 558,122.04 is: 770,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,959.92 : 1,270,587.60 = 558,122.04 : x
  2. Step 2: Convert to fraction form
    920,959.92/1,270,587.60 = 558,122.04/x
  3. Step 3: Cross multiply
    920,959.92x = 1,270,587.60 × 558,122.04
  4. Step 4: Simplify right side
    920,959.92x = 709,142,943,310.70
  5. Step 5: Solve for x
    x = 709,142,943,310.70/920,959.92
  6. Step 6: Final answer
    x = 770,004.13

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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.