Home / 1,222,116.41-1,685,753.49-725,048.39

Finding the Fourth Proportional to 1,222,116.41, 1,685,753.49 and 725,048.39

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Solution

The fourth proportional to 1,222,116.41, 1,685,753.49 and 725,048.39 is: 1,000,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,116.41 : 1,685,753.49 = 725,048.39 : x
  2. Step 2: Convert to fraction form
    1,222,116.41/1,685,753.49 = 725,048.39/x
  3. Step 3: Cross multiply
    1,222,116.41x = 1,685,753.49 × 725,048.39
  4. Step 4: Simplify right side
    1,222,116.41x = 1,222,252,845,432.61
  5. Step 5: Solve for x
    x = 1,222,252,845,432.61/1,222,116.41
  6. Step 6: Final answer
    x = 1,000,111.64

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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.