Home / 1,373,557.76-1,894,870.12-890,279.36

Finding the Fourth Proportional to 1,373,557.76, 1,894,870.12 and 890,279.36

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Solution

The fourth proportional to 1,373,557.76, 1,894,870.12 and 890,279.36 is: 1,228,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,557.76 : 1,894,870.12 = 890,279.36 : x
  2. Step 2: Convert to fraction form
    1,373,557.76/1,894,870.12 = 890,279.36/x
  3. Step 3: Cross multiply
    1,373,557.76x = 1,894,870.12 × 890,279.36
  4. Step 4: Simplify right side
    1,373,557.76x = 1,686,963,757,716.72
  5. Step 5: Solve for x
    x = 1,686,963,757,716.72/1,373,557.76
  6. Step 6: Final answer
    x = 1,228,170.96

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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.