Home / 1,292,918.33-1,784,227.20-749,369.40

Finding the Fourth Proportional to 1,292,918.33, 1,784,227.20 and 749,369.40

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Solution

The fourth proportional to 1,292,918.33, 1,784,227.20 and 749,369.40 is: 1,034,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,918.33 : 1,784,227.20 = 749,369.40 : x
  2. Step 2: Convert to fraction form
    1,292,918.33/1,784,227.20 = 749,369.40/x
  3. Step 3: Cross multiply
    1,292,918.33x = 1,784,227.20 × 749,369.40
  4. Step 4: Simplify right side
    1,292,918.33x = 1,337,045,266,327.68
  5. Step 5: Solve for x
    x = 1,337,045,266,327.68/1,292,918.33
  6. Step 6: Final answer
    x = 1,034,129.72

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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.