Home / 1,707,648.60-2,561,472.90-642,929.52

Finding the Fourth Proportional to 1,707,648.60, 2,561,472.90 and 642,929.52

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Solution

The fourth proportional to 1,707,648.60, 2,561,472.90 and 642,929.52 is: 964,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,648.60 : 2,561,472.90 = 642,929.52 : x
  2. Step 2: Convert to fraction form
    1,707,648.60/2,561,472.90 = 642,929.52/x
  3. Step 3: Cross multiply
    1,707,648.60x = 2,561,472.90 × 642,929.52
  4. Step 4: Simplify right side
    1,707,648.60x = 1,646,846,542,090.01
  5. Step 5: Solve for x
    x = 1,646,846,542,090.01/1,707,648.60
  6. Step 6: Final answer
    x = 964,394.28

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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.