Home / 1,010,758.40-1,517,887.20-538,366.40

Finding the Fourth Proportional to 1,010,758.40, 1,517,887.20 and 538,366.40

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Solution

The fourth proportional to 1,010,758.40, 1,517,887.20 and 538,366.40 is: 808,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,758.40 : 1,517,887.20 = 538,366.40 : x
  2. Step 2: Convert to fraction form
    1,010,758.40/1,517,887.20 = 538,366.40/x
  3. Step 3: Cross multiply
    1,010,758.40x = 1,517,887.20 × 538,366.40
  4. Step 4: Simplify right side
    1,010,758.40x = 817,179,467,470.08
  5. Step 5: Solve for x
    x = 817,179,467,470.08/1,010,758.40
  6. Step 6: Final answer
    x = 808,481.50

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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.