Home / 1,315,229.43-1,972,920.70-368,673.96

Finding the Fourth Proportional to 1,315,229.43, 1,972,920.70 and 368,673.96

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Solution

The fourth proportional to 1,315,229.43, 1,972,920.70 and 368,673.96 is: 553,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,229.43 : 1,972,920.70 = 368,673.96 : x
  2. Step 2: Convert to fraction form
    1,315,229.43/1,972,920.70 = 368,673.96/x
  3. Step 3: Cross multiply
    1,315,229.43x = 1,972,920.70 × 368,673.96
  4. Step 4: Simplify right side
    1,315,229.43x = 727,364,493,020.48
  5. Step 5: Solve for x
    x = 727,364,493,020.48/1,315,229.43
  6. Step 6: Final answer
    x = 553,032.40

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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.