Home / 1,256,877.19-1,885,290.27-310,256.11

Finding the Fourth Proportional to 1,256,877.19, 1,885,290.27 and 310,256.11

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Solution

The fourth proportional to 1,256,877.19, 1,885,290.27 and 310,256.11 is: 465,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,877.19 : 1,885,290.27 = 310,256.11 : x
  2. Step 2: Convert to fraction form
    1,256,877.19/1,885,290.27 = 310,256.11/x
  3. Step 3: Cross multiply
    1,256,877.19x = 1,885,290.27 × 310,256.11
  4. Step 4: Simplify right side
    1,256,877.19x = 584,922,825,391.05
  5. Step 5: Solve for x
    x = 584,922,825,391.05/1,256,877.19
  6. Step 6: Final answer
    x = 465,377.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.