Home / 1,319,355.40-1,976,700.30-1,170,056.20

Finding the Fourth Proportional to 1,319,355.40, 1,976,700.30 and 1,170,056.20

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Solution

The fourth proportional to 1,319,355.40, 1,976,700.30 and 1,170,056.20 is: 1,753,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,355.40 : 1,976,700.30 = 1,170,056.20 : x
  2. Step 2: Convert to fraction form
    1,319,355.40/1,976,700.30 = 1,170,056.20/x
  3. Step 3: Cross multiply
    1,319,355.40x = 1,976,700.30 × 1,170,056.20
  4. Step 4: Simplify right side
    1,319,355.40x = 2,312,850,441,556.86
  5. Step 5: Solve for x
    x = 2,312,850,441,556.86/1,319,355.40
  6. Step 6: Final answer
    x = 1,753,015.48

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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.