Home / 1,011,528.76-1,517,519.10-380,448.04

Finding the Fourth Proportional to 1,011,528.76, 1,517,519.10 and 380,448.04

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Solution

The fourth proportional to 1,011,528.76, 1,517,519.10 and 380,448.04 is: 570,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,528.76 : 1,517,519.10 = 380,448.04 : x
  2. Step 2: Convert to fraction form
    1,011,528.76/1,517,519.10 = 380,448.04/x
  3. Step 3: Cross multiply
    1,011,528.76x = 1,517,519.10 × 380,448.04
  4. Step 4: Simplify right side
    1,011,528.76x = 577,337,167,257.56
  5. Step 5: Solve for x
    x = 577,337,167,257.56/1,011,528.76
  6. Step 6: Final answer
    x = 570,757.05

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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.