Home / 1,109,738.65-1,531,275.13-673,929.35

Finding the Fourth Proportional to 1,109,738.65, 1,531,275.13 and 673,929.35

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Solution

The fourth proportional to 1,109,738.65, 1,531,275.13 and 673,929.35 is: 929,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,738.65 : 1,531,275.13 = 673,929.35 : x
  2. Step 2: Convert to fraction form
    1,109,738.65/1,531,275.13 = 673,929.35/x
  3. Step 3: Cross multiply
    1,109,738.65x = 1,531,275.13 × 673,929.35
  4. Step 4: Simplify right side
    1,109,738.65x = 1,031,971,253,032.07
  5. Step 5: Solve for x
    x = 1,031,971,253,032.07/1,109,738.65
  6. Step 6: Final answer
    x = 929,922.78

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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.