Home / 1,741,729.78-2,403,454.40-977,635.72

Finding the Fourth Proportional to 1,741,729.78, 2,403,454.40 and 977,635.72

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Solution

The fourth proportional to 1,741,729.78, 2,403,454.40 and 977,635.72 is: 1,349,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741,729.78 : 2,403,454.40 = 977,635.72 : x
  2. Step 2: Convert to fraction form
    1,741,729.78/2,403,454.40 = 977,635.72/x
  3. Step 3: Cross multiply
    1,741,729.78x = 2,403,454.40 × 977,635.72
  4. Step 4: Simplify right side
    1,741,729.78x = 2,349,702,865,600.49
  5. Step 5: Solve for x
    x = 2,349,702,865,600.49/1,741,729.78
  6. Step 6: Final answer
    x = 1,349,062.81

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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.