Home / 1,011,617.71-1,517,405.04-328,503.82

Finding the Fourth Proportional to 1,011,617.71, 1,517,405.04 and 328,503.82

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Solution

The fourth proportional to 1,011,617.71, 1,517,405.04 and 328,503.82 is: 492,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,617.71 : 1,517,405.04 = 328,503.82 : x
  2. Step 2: Convert to fraction form
    1,011,617.71/1,517,405.04 = 328,503.82/x
  3. Step 3: Cross multiply
    1,011,617.71x = 1,517,405.04 × 328,503.82
  4. Step 4: Simplify right side
    1,011,617.71x = 498,473,352,127.25
  5. Step 5: Solve for x
    x = 498,473,352,127.25/1,011,617.71
  6. Step 6: Final answer
    x = 492,748.74

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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.