Home / 1,637,963.90-2,260,290.71-902,885.96

Finding the Fourth Proportional to 1,637,963.90, 2,260,290.71 and 902,885.96

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Solution

The fourth proportional to 1,637,963.90, 2,260,290.71 and 902,885.96 is: 1,245,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,963.90 : 2,260,290.71 = 902,885.96 : x
  2. Step 2: Convert to fraction form
    1,637,963.90/2,260,290.71 = 902,885.96/x
  3. Step 3: Cross multiply
    1,637,963.90x = 2,260,290.71 × 902,885.96
  4. Step 4: Simplify right side
    1,637,963.90x = 2,040,784,731,761.55
  5. Step 5: Solve for x
    x = 2,040,784,731,761.55/1,637,963.90
  6. Step 6: Final answer
    x = 1,245,927.79

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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.