Home / 1,707,442.83-2,561,264.48-642,494.12

Finding the Fourth Proportional to 1,707,442.83, 2,561,264.48 and 642,494.12

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Solution

The fourth proportional to 1,707,442.83, 2,561,264.48 and 642,494.12 is: 963,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,442.83 : 2,561,264.48 = 642,494.12 : x
  2. Step 2: Convert to fraction form
    1,707,442.83/2,561,264.48 = 642,494.12/x
  3. Step 3: Cross multiply
    1,707,442.83x = 2,561,264.48 × 642,494.12
  4. Step 4: Simplify right side
    1,707,442.83x = 1,645,597,356,964.77
  5. Step 5: Solve for x
    x = 1,645,597,356,964.77/1,707,442.83
  6. Step 6: Final answer
    x = 963,778.89

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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.