Home / 1,333,997.10-1,840,913.93-722,149.70

Finding the Fourth Proportional to 1,333,997.10, 1,840,913.93 and 722,149.70

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Solution

The fourth proportional to 1,333,997.10, 1,840,913.93 and 722,149.70 is: 996,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,997.10 : 1,840,913.93 = 722,149.70 : x
  2. Step 2: Convert to fraction form
    1,333,997.10/1,840,913.93 = 722,149.70/x
  3. Step 3: Cross multiply
    1,333,997.10x = 1,840,913.93 × 722,149.70
  4. Step 4: Simplify right side
    1,333,997.10x = 1,329,415,442,275.32
  5. Step 5: Solve for x
    x = 1,329,415,442,275.32/1,333,997.10
  6. Step 6: Final answer
    x = 996,565.47

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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.