Home / 1,241,386.72-1,863,004.20-922,281.56

Finding the Fourth Proportional to 1,241,386.72, 1,863,004.20 and 922,281.56

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Solution

The fourth proportional to 1,241,386.72, 1,863,004.20 and 922,281.56 is: 1,384,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,386.72 : 1,863,004.20 = 922,281.56 : x
  2. Step 2: Convert to fraction form
    1,241,386.72/1,863,004.20 = 922,281.56/x
  3. Step 3: Cross multiply
    1,241,386.72x = 1,863,004.20 × 922,281.56
  4. Step 4: Simplify right side
    1,241,386.72x = 1,718,214,419,862.55
  5. Step 5: Solve for x
    x = 1,718,214,419,862.55/1,241,386.72
  6. Step 6: Final answer
    x = 1,384,108.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.