Home / 1,256,646.30-1,884,969.45-725,205.30

Finding the Fourth Proportional to 1,256,646.30, 1,884,969.45 and 725,205.30

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Solution

The fourth proportional to 1,256,646.30, 1,884,969.45 and 725,205.30 is: 1,087,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,646.30 : 1,884,969.45 = 725,205.30 : x
  2. Step 2: Convert to fraction form
    1,256,646.30/1,884,969.45 = 725,205.30/x
  3. Step 3: Cross multiply
    1,256,646.30x = 1,884,969.45 × 725,205.30
  4. Step 4: Simplify right side
    1,256,646.30x = 1,366,989,835,478.09
  5. Step 5: Solve for x
    x = 1,366,989,835,478.09/1,256,646.30
  6. Step 6: Final answer
    x = 1,087,807.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.