Home / 1,011,399.18-1,517,320.40-380,313.06

Finding the Fourth Proportional to 1,011,399.18, 1,517,320.40 and 380,313.06

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Solution

The fourth proportional to 1,011,399.18, 1,517,320.40 and 380,313.06 is: 570,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,399.18 : 1,517,320.40 = 380,313.06 : x
  2. Step 2: Convert to fraction form
    1,011,399.18/1,517,320.40 = 380,313.06/x
  3. Step 3: Cross multiply
    1,011,399.18x = 1,517,320.40 × 380,313.06
  4. Step 4: Simplify right side
    1,011,399.18x = 577,056,762,422.86
  5. Step 5: Solve for x
    x = 577,056,762,422.86/1,011,399.18
  6. Step 6: Final answer
    x = 570,552.93

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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.