Home / 1,125,971.52-1,553,943.60-616,747.20

Finding the Fourth Proportional to 1,125,971.52, 1,553,943.60 and 616,747.20

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Solution

The fourth proportional to 1,125,971.52, 1,553,943.60 and 616,747.20 is: 851,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,971.52 : 1,553,943.60 = 616,747.20 : x
  2. Step 2: Convert to fraction form
    1,125,971.52/1,553,943.60 = 616,747.20/x
  3. Step 3: Cross multiply
    1,125,971.52x = 1,553,943.60 × 616,747.20
  4. Step 4: Simplify right side
    1,125,971.52x = 958,390,364,257.92
  5. Step 5: Solve for x
    x = 958,390,364,257.92/1,125,971.52
  6. Step 6: Final answer
    x = 851,167.50

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1.5x scale

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.