Home / 1,038,279.75-1,432,826.06-561,351.75

Finding the Fourth Proportional to 1,038,279.75, 1,432,826.06 and 561,351.75

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Solution

The fourth proportional to 1,038,279.75, 1,432,826.06 and 561,351.75 is: 774,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,279.75 : 1,432,826.06 = 561,351.75 : x
  2. Step 2: Convert to fraction form
    1,038,279.75/1,432,826.06 = 561,351.75/x
  3. Step 3: Cross multiply
    1,038,279.75x = 1,432,826.06 × 561,351.75
  4. Step 4: Simplify right side
    1,038,279.75x = 804,319,413,419.85
  5. Step 5: Solve for x
    x = 804,319,413,419.85/1,038,279.75
  6. Step 6: Final answer
    x = 774,665.42

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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.