Home / 1,011,280.24-1,517,146.62-380,199.52

Finding the Fourth Proportional to 1,011,280.24, 1,517,146.62 and 380,199.52

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Solution

The fourth proportional to 1,011,280.24, 1,517,146.62 and 380,199.52 is: 570,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,280.24 : 1,517,146.62 = 380,199.52 : x
  2. Step 2: Convert to fraction form
    1,011,280.24/1,517,146.62 = 380,199.52/x
  3. Step 3: Cross multiply
    1,011,280.24x = 1,517,146.62 × 380,199.52
  4. Step 4: Simplify right side
    1,011,280.24x = 576,818,416,693.62
  5. Step 5: Solve for x
    x = 576,818,416,693.62/1,011,280.24
  6. Step 6: Final answer
    x = 570,384.34

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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.