Home / 1,217,060.64-1,679,479.92-673,187.76

Finding the Fourth Proportional to 1,217,060.64, 1,679,479.92 and 673,187.76

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Solution

The fourth proportional to 1,217,060.64, 1,679,479.92 and 673,187.76 is: 928,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,060.64 : 1,679,479.92 = 673,187.76 : x
  2. Step 2: Convert to fraction form
    1,217,060.64/1,679,479.92 = 673,187.76/x
  3. Step 3: Cross multiply
    1,217,060.64x = 1,679,479.92 × 673,187.76
  4. Step 4: Simplify right side
    1,217,060.64x = 1,130,605,325,309.78
  5. Step 5: Solve for x
    x = 1,130,605,325,309.78/1,217,060.64
  6. Step 6: Final answer
    x = 928,963.84

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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.