Home / 1,011,645.56-1,517,570.48-328,503.84

Finding the Fourth Proportional to 1,011,645.56, 1,517,570.48 and 328,503.84

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Solution

The fourth proportional to 1,011,645.56, 1,517,570.48 and 328,503.84 is: 492,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,645.56 : 1,517,570.48 = 328,503.84 : x
  2. Step 2: Convert to fraction form
    1,011,645.56/1,517,570.48 = 328,503.84/x
  3. Step 3: Cross multiply
    1,011,645.56x = 1,517,570.48 × 328,503.84
  4. Step 4: Simplify right side
    1,011,645.56x = 498,527,730,150.64
  5. Step 5: Solve for x
    x = 498,527,730,150.64/1,011,645.56
  6. Step 6: Final answer
    x = 492,788.93

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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.