Home / 1,109,739.15-1,531,275.82-673,929.85

Finding the Fourth Proportional to 1,109,739.15, 1,531,275.82 and 673,929.85

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Solution

The fourth proportional to 1,109,739.15, 1,531,275.82 and 673,929.85 is: 929,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,739.15 : 1,531,275.82 = 673,929.85 : x
  2. Step 2: Convert to fraction form
    1,109,739.15/1,531,275.82 = 673,929.85/x
  3. Step 3: Cross multiply
    1,109,739.15x = 1,531,275.82 × 673,929.85
  4. Step 4: Simplify right side
    1,109,739.15x = 1,031,972,483,681.23
  5. Step 5: Solve for x
    x = 1,031,972,483,681.23/1,109,739.15
  6. Step 6: Final answer
    x = 929,923.47

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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.