Home / 1,500,176.29-2,070,020.66-911,169.43

Finding the Fourth Proportional to 1,500,176.29, 2,070,020.66 and 911,169.43

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Solution

The fourth proportional to 1,500,176.29, 2,070,020.66 and 911,169.43 is: 1,257,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,176.29 : 2,070,020.66 = 911,169.43 : x
  2. Step 2: Convert to fraction form
    1,500,176.29/2,070,020.66 = 911,169.43/x
  3. Step 3: Cross multiply
    1,500,176.29x = 2,070,020.66 × 911,169.43
  4. Step 4: Simplify right side
    1,500,176.29x = 1,886,139,541,963.30
  5. Step 5: Solve for x
    x = 1,886,139,541,963.30/1,500,176.29
  6. Step 6: Final answer
    x = 1,257,278.60

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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.