Home / 1,631,540.71-2,251,886.30-906,637.69

Finding the Fourth Proportional to 1,631,540.71, 2,251,886.30 and 906,637.69

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Solution

The fourth proportional to 1,631,540.71, 2,251,886.30 and 906,637.69 is: 1,251,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,540.71 : 2,251,886.30 = 906,637.69 : x
  2. Step 2: Convert to fraction form
    1,631,540.71/2,251,886.30 = 906,637.69/x
  3. Step 3: Cross multiply
    1,631,540.71x = 2,251,886.30 × 906,637.69
  4. Step 4: Simplify right side
    1,631,540.71x = 2,041,644,989,811.53
  5. Step 5: Solve for x
    x = 2,041,644,989,811.53/1,631,540.71
  6. Step 6: Final answer
    x = 1,251,360.13

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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.