Home / 1,319,680.52-1,980,920.58-1,168,856.70

Finding the Fourth Proportional to 1,319,680.52, 1,980,920.58 and 1,168,856.70

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Solution

The fourth proportional to 1,319,680.52, 1,980,920.58 and 1,168,856.70 is: 1,754,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,680.52 : 1,980,920.58 = 1,168,856.70 : x
  2. Step 2: Convert to fraction form
    1,319,680.52/1,980,920.58 = 1,168,856.70/x
  3. Step 3: Cross multiply
    1,319,680.52x = 1,980,920.58 × 1,168,856.70
  4. Step 4: Simplify right side
    1,319,680.52x = 2,315,412,292,100.89
  5. Step 5: Solve for x
    x = 2,315,412,292,100.89/1,319,680.52
  6. Step 6: Final answer
    x = 1,754,524.87

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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.