Home / 1,355,882.56-1,871,112.79-744,045.55

Finding the Fourth Proportional to 1,355,882.56, 1,871,112.79 and 744,045.55

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Solution

The fourth proportional to 1,355,882.56, 1,871,112.79 and 744,045.55 is: 1,026,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,882.56 : 1,871,112.79 = 744,045.55 : x
  2. Step 2: Convert to fraction form
    1,355,882.56/1,871,112.79 = 744,045.55/x
  3. Step 3: Cross multiply
    1,355,882.56x = 1,871,112.79 × 744,045.55
  4. Step 4: Simplify right side
    1,355,882.56x = 1,392,193,141,199.86
  5. Step 5: Solve for x
    x = 1,392,193,141,199.86/1,355,882.56
  6. Step 6: Final answer
    x = 1,026,780.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.