Home / 1,073,316.24-1,480,852.56-643,439.52

Finding the Fourth Proportional to 1,073,316.24, 1,480,852.56 and 643,439.52

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Solution

The fourth proportional to 1,073,316.24, 1,480,852.56 and 643,439.52 is: 887,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,316.24 : 1,480,852.56 = 643,439.52 : x
  2. Step 2: Convert to fraction form
    1,073,316.24/1,480,852.56 = 643,439.52/x
  3. Step 3: Cross multiply
    1,073,316.24x = 1,480,852.56 × 643,439.52
  4. Step 4: Simplify right side
    1,073,316.24x = 952,839,060,397.17
  5. Step 5: Solve for x
    x = 952,839,060,397.17/1,073,316.24
  6. Step 6: Final answer
    x = 887,752.39

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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.