Home / 1,538,896.32-2,318,848.56-1,264,559.04

Finding the Fourth Proportional to 1,538,896.32, 2,318,848.56 and 1,264,559.04

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Solution

The fourth proportional to 1,538,896.32, 2,318,848.56 and 1,264,559.04 is: 1,905,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,896.32 : 2,318,848.56 = 1,264,559.04 : x
  2. Step 2: Convert to fraction form
    1,538,896.32/2,318,848.56 = 1,264,559.04/x
  3. Step 3: Cross multiply
    1,538,896.32x = 2,318,848.56 × 1,264,559.04
  4. Step 4: Simplify right side
    1,538,896.32x = 2,932,320,908,938.98
  5. Step 5: Solve for x
    x = 2,932,320,908,938.98/1,538,896.32
  6. Step 6: Final answer
    x = 1,905,470.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.