Home / 1,326,057.12-1,829,959.02-722,445.12

Finding the Fourth Proportional to 1,326,057.12, 1,829,959.02 and 722,445.12

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Solution

The fourth proportional to 1,326,057.12, 1,829,959.02 and 722,445.12 is: 996,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,057.12 : 1,829,959.02 = 722,445.12 : x
  2. Step 2: Convert to fraction form
    1,326,057.12/1,829,959.02 = 722,445.12/x
  3. Step 3: Cross multiply
    1,326,057.12x = 1,829,959.02 × 722,445.12
  4. Step 4: Simplify right side
    1,326,057.12x = 1,322,044,963,798.98
  5. Step 5: Solve for x
    x = 1,322,044,963,798.98/1,326,057.12
  6. Step 6: Final answer
    x = 996,974.37

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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.