Home / 1,319,654.40-1,980,476.76-965,581.92

Finding the Fourth Proportional to 1,319,654.40, 1,980,476.76 and 965,581.92

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Solution

The fourth proportional to 1,319,654.40, 1,980,476.76 and 965,581.92 is: 1,449,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,654.40 : 1,980,476.76 = 965,581.92 : x
  2. Step 2: Convert to fraction form
    1,319,654.40/1,980,476.76 = 965,581.92/x
  3. Step 3: Cross multiply
    1,319,654.40x = 1,980,476.76 × 965,581.92
  4. Step 4: Simplify right side
    1,319,654.40x = 1,912,312,552,436.18
  5. Step 5: Solve for x
    x = 1,912,312,552,436.18/1,319,654.40
  6. Step 6: Final answer
    x = 1,449,101.03

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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.