Home / 1,328,328.96-1,983,034.56-1,281,672.96

Finding the Fourth Proportional to 1,328,328.96, 1,983,034.56 and 1,281,672.96

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Solution

The fourth proportional to 1,328,328.96, 1,983,034.56 and 1,281,672.96 is: 1,913,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,328.96 : 1,983,034.56 = 1,281,672.96 : x
  2. Step 2: Convert to fraction form
    1,328,328.96/1,983,034.56 = 1,281,672.96/x
  3. Step 3: Cross multiply
    1,328,328.96x = 1,983,034.56 × 1,281,672.96
  4. Step 4: Simplify right side
    1,328,328.96x = 2,541,601,774,297.50
  5. Step 5: Solve for x
    x = 2,541,601,774,297.50/1,328,328.96
  6. Step 6: Final answer
    x = 1,913,382.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.