Home / 1,502,940.42-2,073,836.30-913,939.38

Finding the Fourth Proportional to 1,502,940.42, 2,073,836.30 and 913,939.38

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Solution

The fourth proportional to 1,502,940.42, 2,073,836.30 and 913,939.38 is: 1,261,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,940.42 : 2,073,836.30 = 913,939.38 : x
  2. Step 2: Convert to fraction form
    1,502,940.42/2,073,836.30 = 913,939.38/x
  3. Step 3: Cross multiply
    1,502,940.42x = 2,073,836.30 × 913,939.38
  4. Step 4: Simplify right side
    1,502,940.42x = 1,895,360,657,673.80
  5. Step 5: Solve for x
    x = 1,895,360,657,673.80/1,502,940.42
  6. Step 6: Final answer
    x = 1,261,101.66

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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.