Home / 1,266,849.59-1,748,280.85-722,974.55

Finding the Fourth Proportional to 1,266,849.59, 1,748,280.85 and 722,974.55

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Solution

The fourth proportional to 1,266,849.59, 1,748,280.85 and 722,974.55 is: 997,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,849.59 : 1,748,280.85 = 722,974.55 : x
  2. Step 2: Convert to fraction form
    1,266,849.59/1,748,280.85 = 722,974.55/x
  3. Step 3: Cross multiply
    1,266,849.59x = 1,748,280.85 × 722,974.55
  4. Step 4: Simplify right side
    1,266,849.59x = 1,263,962,550,253.53
  5. Step 5: Solve for x
    x = 1,263,962,550,253.53/1,266,849.59
  6. Step 6: Final answer
    x = 997,721.09

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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.