Home / 1,011,359.52-1,517,097.56-380,278.80

Finding the Fourth Proportional to 1,011,359.52, 1,517,097.56 and 380,278.80

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Solution

The fourth proportional to 1,011,359.52, 1,517,097.56 and 380,278.80 is: 570,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,359.52 : 1,517,097.56 = 380,278.80 : x
  2. Step 2: Convert to fraction form
    1,011,359.52/1,517,097.56 = 380,278.80/x
  3. Step 3: Cross multiply
    1,011,359.52x = 1,517,097.56 × 380,278.80
  4. Step 4: Simplify right side
    1,011,359.52x = 576,920,037,698.33
  5. Step 5: Solve for x
    x = 576,920,037,698.33/1,011,359.52
  6. Step 6: Final answer
    x = 570,440.11

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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.