Home / 1,073,015.43-1,480,890.02-643,531.83

Finding the Fourth Proportional to 1,073,015.43, 1,480,890.02 and 643,531.83

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Solution

The fourth proportional to 1,073,015.43, 1,480,890.02 and 643,531.83 is: 888,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,015.43 : 1,480,890.02 = 643,531.83 : x
  2. Step 2: Convert to fraction form
    1,073,015.43/1,480,890.02 = 643,531.83/x
  3. Step 3: Cross multiply
    1,073,015.43x = 1,480,890.02 × 643,531.83
  4. Step 4: Simplify right side
    1,073,015.43x = 952,999,864,599.34
  5. Step 5: Solve for x
    x = 952,999,864,599.34/1,073,015.43
  6. Step 6: Final answer
    x = 888,151.13

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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.