Home / 1,131,637.55-1,561,675.29-648,202.43

Finding the Fourth Proportional to 1,131,637.55, 1,561,675.29 and 648,202.43

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Solution

The fourth proportional to 1,131,637.55, 1,561,675.29 and 648,202.43 is: 894,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,637.55 : 1,561,675.29 = 648,202.43 : x
  2. Step 2: Convert to fraction form
    1,131,637.55/1,561,675.29 = 648,202.43/x
  3. Step 3: Cross multiply
    1,131,637.55x = 1,561,675.29 × 648,202.43
  4. Step 4: Simplify right side
    1,131,637.55x = 1,012,281,717,848.95
  5. Step 5: Solve for x
    x = 1,012,281,717,848.95/1,131,637.55
  6. Step 6: Final answer
    x = 894,528.22

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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.