Home / 1,368,073.90-1,887,945.79-747,886.56

Finding the Fourth Proportional to 1,368,073.90, 1,887,945.79 and 747,886.56

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Solution

The fourth proportional to 1,368,073.90, 1,887,945.79 and 747,886.56 is: 1,032,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,073.90 : 1,887,945.79 = 747,886.56 : x
  2. Step 2: Convert to fraction form
    1,368,073.90/1,887,945.79 = 747,886.56/x
  3. Step 3: Cross multiply
    1,368,073.90x = 1,887,945.79 × 747,886.56
  4. Step 4: Simplify right side
    1,368,073.90x = 1,411,969,282,617.48
  5. Step 5: Solve for x
    x = 1,411,969,282,617.48/1,368,073.90
  6. Step 6: Final answer
    x = 1,032,085.54

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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.