Home / 982,873.20-1,356,783.50-660,770.13

Finding the Fourth Proportional to 982,873.20, 1,356,783.50 and 660,770.13

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Solution

The fourth proportional to 982,873.20, 1,356,783.50 and 660,770.13 is: 912,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,873.20 : 1,356,783.50 = 660,770.13 : x
  2. Step 2: Convert to fraction form
    982,873.20/1,356,783.50 = 660,770.13/x
  3. Step 3: Cross multiply
    982,873.20x = 1,356,783.50 × 660,770.13
  4. Step 4: Simplify right side
    982,873.20x = 896,522,011,328.78
  5. Step 5: Solve for x
    x = 896,522,011,328.78/982,873.20
  6. Step 6: Final answer
    x = 912,144.12

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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.