Home / 1,095,060.32-1,511,894.40-980,139.68

Finding the Fourth Proportional to 1,095,060.32, 1,511,894.40 and 980,139.68

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Solution

The fourth proportional to 1,095,060.32, 1,511,894.40 and 980,139.68 is: 1,353,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,060.32 : 1,511,894.40 = 980,139.68 : x
  2. Step 2: Convert to fraction form
    1,095,060.32/1,511,894.40 = 980,139.68/x
  3. Step 3: Cross multiply
    1,095,060.32x = 1,511,894.40 × 980,139.68
  4. Step 4: Simplify right side
    1,095,060.32x = 1,481,867,693,409.79
  5. Step 5: Solve for x
    x = 1,481,867,693,409.79/1,095,060.32
  6. Step 6: Final answer
    x = 1,353,229.28

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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.