Home / 1,011,647.07-1,517,027.13-380,117.61

Finding the Fourth Proportional to 1,011,647.07, 1,517,027.13 and 380,117.61

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Solution

The fourth proportional to 1,011,647.07, 1,517,027.13 and 380,117.61 is: 570,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,647.07 : 1,517,027.13 = 380,117.61 : x
  2. Step 2: Convert to fraction form
    1,011,647.07/1,517,027.13 = 380,117.61/x
  3. Step 3: Cross multiply
    1,011,647.07x = 1,517,027.13 × 380,117.61
  4. Step 4: Simplify right side
    1,011,647.07x = 576,648,726,960.76
  5. Step 5: Solve for x
    x = 576,648,726,960.76/1,011,647.07
  6. Step 6: Final answer
    x = 570,009.78

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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.