Home / 1,117,387.83-1,542,320.14-730,261.49

Finding the Fourth Proportional to 1,117,387.83, 1,542,320.14 and 730,261.49

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Solution

The fourth proportional to 1,117,387.83, 1,542,320.14 and 730,261.49 is: 1,007,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,387.83 : 1,542,320.14 = 730,261.49 : x
  2. Step 2: Convert to fraction form
    1,117,387.83/1,542,320.14 = 730,261.49/x
  3. Step 3: Cross multiply
    1,117,387.83x = 1,542,320.14 × 730,261.49
  4. Step 4: Simplify right side
    1,117,387.83x = 1,126,296,993,956.15
  5. Step 5: Solve for x
    x = 1,126,296,993,956.15/1,117,387.83
  6. Step 6: Final answer
    x = 1,007,973.21

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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.