Home / 1,073,282.32-1,480,806.30-643,405.60

Finding the Fourth Proportional to 1,073,282.32, 1,480,806.30 and 643,405.60

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Solution

The fourth proportional to 1,073,282.32, 1,480,806.30 and 643,405.60 is: 887,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,282.32 : 1,480,806.30 = 643,405.60 : x
  2. Step 2: Convert to fraction form
    1,073,282.32/1,480,806.30 = 643,405.60/x
  3. Step 3: Cross multiply
    1,073,282.32x = 1,480,806.30 × 643,405.60
  4. Step 4: Simplify right side
    1,073,282.32x = 952,759,065,935.28
  5. Step 5: Solve for x
    x = 952,759,065,935.28/1,073,282.32
  6. Step 6: Final answer
    x = 887,705.92

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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.