Home / 1,011,406.44-1,517,331.28-380,320.32

Finding the Fourth Proportional to 1,011,406.44, 1,517,331.28 and 380,320.32

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Solution

The fourth proportional to 1,011,406.44, 1,517,331.28 and 380,320.32 is: 570,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,406.44 : 1,517,331.28 = 380,320.32 : x
  2. Step 2: Convert to fraction form
    1,011,406.44/1,517,331.28 = 380,320.32/x
  3. Step 3: Cross multiply
    1,011,406.44x = 1,517,331.28 × 380,320.32
  4. Step 4: Simplify right side
    1,011,406.44x = 577,071,917,955.61
  5. Step 5: Solve for x
    x = 577,071,917,955.61/1,011,406.44
  6. Step 6: Final answer
    x = 570,563.82

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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.