Home / 1,189,130.75-1,640,314.15-758,925.98

Finding the Fourth Proportional to 1,189,130.75, 1,640,314.15 and 758,925.98

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Solution

The fourth proportional to 1,189,130.75, 1,640,314.15 and 758,925.98 is: 1,046,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,130.75 : 1,640,314.15 = 758,925.98 : x
  2. Step 2: Convert to fraction form
    1,189,130.75/1,640,314.15 = 758,925.98/x
  3. Step 3: Cross multiply
    1,189,130.75x = 1,640,314.15 × 758,925.98
  4. Step 4: Simplify right side
    1,189,130.75x = 1,244,877,013,697.73
  5. Step 5: Solve for x
    x = 1,244,877,013,697.73/1,189,130.75
  6. Step 6: Final answer
    x = 1,046,879.85

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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.