Home / 1,108,782.19-1,663,278.32-310,063.60

Finding the Fourth Proportional to 1,108,782.19, 1,663,278.32 and 310,063.60

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Solution

The fourth proportional to 1,108,782.19, 1,663,278.32 and 310,063.60 is: 465,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,782.19 : 1,663,278.32 = 310,063.60 : x
  2. Step 2: Convert to fraction form
    1,108,782.19/1,663,278.32 = 310,063.60/x
  3. Step 3: Cross multiply
    1,108,782.19x = 1,663,278.32 × 310,063.60
  4. Step 4: Simplify right side
    1,108,782.19x = 515,722,063,701.15
  5. Step 5: Solve for x
    x = 515,722,063,701.15/1,108,782.19
  6. Step 6: Final answer
    x = 465,124.77

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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.