Home / 1,256,876.19-1,885,288.77-310,255.11

Finding the Fourth Proportional to 1,256,876.19, 1,885,288.77 and 310,255.11

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Solution

The fourth proportional to 1,256,876.19, 1,885,288.77 and 310,255.11 is: 465,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,876.19 : 1,885,288.77 = 310,255.11 : x
  2. Step 2: Convert to fraction form
    1,256,876.19/1,885,288.77 = 310,255.11/x
  3. Step 3: Cross multiply
    1,256,876.19x = 1,885,288.77 × 310,255.11
  4. Step 4: Simplify right side
    1,256,876.19x = 584,920,474,718.12
  5. Step 5: Solve for x
    x = 584,920,474,718.12/1,256,876.19
  6. Step 6: Final answer
    x = 465,376.37

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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.