Home / 1,393,224.84-1,920,870.42-902,327.04

Finding the Fourth Proportional to 1,393,224.84, 1,920,870.42 and 902,327.04

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Solution

The fourth proportional to 1,393,224.84, 1,920,870.42 and 902,327.04 is: 1,244,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,224.84 : 1,920,870.42 = 902,327.04 : x
  2. Step 2: Convert to fraction form
    1,393,224.84/1,920,870.42 = 902,327.04/x
  3. Step 3: Cross multiply
    1,393,224.84x = 1,920,870.42 × 902,327.04
  4. Step 4: Simplify right side
    1,393,224.84x = 1,733,253,320,302.16
  5. Step 5: Solve for x
    x = 1,733,253,320,302.16/1,393,224.84
  6. Step 6: Final answer
    x = 1,244,058.58

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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.