Home / 1,295,952.70-1,788,380.22-722,978.14

Finding the Fourth Proportional to 1,295,952.70, 1,788,380.22 and 722,978.14

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Solution

The fourth proportional to 1,295,952.70, 1,788,380.22 and 722,978.14 is: 997,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,952.70 : 1,788,380.22 = 722,978.14 : x
  2. Step 2: Convert to fraction form
    1,295,952.70/1,788,380.22 = 722,978.14/x
  3. Step 3: Cross multiply
    1,295,952.70x = 1,788,380.22 × 722,978.14
  4. Step 4: Simplify right side
    1,295,952.70x = 1,292,959,805,068.39
  5. Step 5: Solve for x
    x = 1,292,959,805,068.39/1,295,952.70
  6. Step 6: Final answer
    x = 997,690.58

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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.