Home / 1,707,617.78-2,561,426.65-642,898.70

Finding the Fourth Proportional to 1,707,617.78, 2,561,426.65 and 642,898.70

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Solution

The fourth proportional to 1,707,617.78, 2,561,426.65 and 642,898.70 is: 964,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,617.78 : 2,561,426.65 = 642,898.70 : x
  2. Step 2: Convert to fraction form
    1,707,617.78/2,561,426.65 = 642,898.70/x
  3. Step 3: Cross multiply
    1,707,617.78x = 2,561,426.65 × 642,898.70
  4. Step 4: Simplify right side
    1,707,617.78x = 1,646,737,863,430.35
  5. Step 5: Solve for x
    x = 1,646,737,863,430.35/1,707,617.78
  6. Step 6: Final answer
    x = 964,348.04

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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.