Home / 1,687,324.76-2,328,502.02-912,953.24

Finding the Fourth Proportional to 1,687,324.76, 2,328,502.02 and 912,953.24

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Solution

The fourth proportional to 1,687,324.76, 2,328,502.02 and 912,953.24 is: 1,259,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,324.76 : 2,328,502.02 = 912,953.24 : x
  2. Step 2: Convert to fraction form
    1,687,324.76/2,328,502.02 = 912,953.24/x
  3. Step 3: Cross multiply
    1,687,324.76x = 2,328,502.02 × 912,953.24
  4. Step 4: Simplify right side
    1,687,324.76x = 2,125,813,463,505.54
  5. Step 5: Solve for x
    x = 2,125,813,463,505.54/1,687,324.76
  6. Step 6: Final answer
    x = 1,259,872.14

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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.