Home / 1,258,588.80-1,736,170.20-749,192.76

Finding the Fourth Proportional to 1,258,588.80, 1,736,170.20 and 749,192.76

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Solution

The fourth proportional to 1,258,588.80, 1,736,170.20 and 749,192.76 is: 1,033,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,588.80 : 1,736,170.20 = 749,192.76 : x
  2. Step 2: Convert to fraction form
    1,258,588.80/1,736,170.20 = 749,192.76/x
  3. Step 3: Cross multiply
    1,258,588.80x = 1,736,170.20 × 749,192.76
  4. Step 4: Simplify right side
    1,258,588.80x = 1,300,726,143,967.75
  5. Step 5: Solve for x
    x = 1,300,726,143,967.75/1,258,588.80
  6. Step 6: Final answer
    x = 1,033,479.83

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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.