Home / 1,011,406.68-1,517,331.65-380,320.56

Finding the Fourth Proportional to 1,011,406.68, 1,517,331.65 and 380,320.56

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Solution

The fourth proportional to 1,011,406.68, 1,517,331.65 and 380,320.56 is: 570,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,406.68 : 1,517,331.65 = 380,320.56 : x
  2. Step 2: Convert to fraction form
    1,011,406.68/1,517,331.65 = 380,320.56/x
  3. Step 3: Cross multiply
    1,011,406.68x = 1,517,331.65 × 380,320.56
  4. Step 4: Simplify right side
    1,011,406.68x = 577,072,420,932.12
  5. Step 5: Solve for x
    x = 577,072,420,932.12/1,011,406.68
  6. Step 6: Final answer
    x = 570,564.18

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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.