Home / 1,011,371.87-1,517,116.10-380,291.15

Finding the Fourth Proportional to 1,011,371.87, 1,517,116.10 and 380,291.15

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Solution

The fourth proportional to 1,011,371.87, 1,517,116.10 and 380,291.15 is: 570,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,371.87 : 1,517,116.10 = 380,291.15 : x
  2. Step 2: Convert to fraction form
    1,011,371.87/1,517,116.10 = 380,291.15/x
  3. Step 3: Cross multiply
    1,011,371.87x = 1,517,116.10 × 380,291.15
  4. Step 4: Simplify right side
    1,011,371.87x = 576,945,828,243.85
  5. Step 5: Solve for x
    x = 576,945,828,243.85/1,011,371.87
  6. Step 6: Final answer
    x = 570,458.65

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1.5x scale

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.