Home / 1,120,745.50-1,546,629.15-718,337.50

Finding the Fourth Proportional to 1,120,745.50, 1,546,629.15 and 718,337.50

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Solution

The fourth proportional to 1,120,745.50, 1,546,629.15 and 718,337.50 is: 991,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,745.50 : 1,546,629.15 = 718,337.50 : x
  2. Step 2: Convert to fraction form
    1,120,745.50/1,546,629.15 = 718,337.50/x
  3. Step 3: Cross multiply
    1,120,745.50x = 1,546,629.15 × 718,337.50
  4. Step 4: Simplify right side
    1,120,745.50x = 1,111,001,717,038.13
  5. Step 5: Solve for x
    x = 1,111,001,717,038.13/1,120,745.50
  6. Step 6: Final answer
    x = 991,305.98

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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.