Home / 1,073,170.72-1,480,652.62-643,294

Finding the Fourth Proportional to 1,073,170.72, 1,480,652.62 and 643,294

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Solution

The fourth proportional to 1,073,170.72, 1,480,652.62 and 643,294 is: 887,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,170.72 : 1,480,652.62 = 643,294 : x
  2. Step 2: Convert to fraction form
    1,073,170.72/1,480,652.62 = 643,294/x
  3. Step 3: Cross multiply
    1,073,170.72x = 1,480,652.62 × 643,294
  4. Step 4: Simplify right side
    1,073,170.72x = 952,494,946,530.28
  5. Step 5: Solve for x
    x = 952,494,946,530.28/1,073,170.72
  6. Step 6: Final answer
    x = 887,552.12

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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.