Home / 982,873.95-1,356,784.54-660,770.88

Finding the Fourth Proportional to 982,873.95, 1,356,784.54 and 660,770.88

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Solution

The fourth proportional to 982,873.95, 1,356,784.54 and 660,770.88 is: 912,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,873.95 : 1,356,784.54 = 660,770.88 : x
  2. Step 2: Convert to fraction form
    982,873.95/1,356,784.54 = 660,770.88/x
  3. Step 3: Cross multiply
    982,873.95x = 1,356,784.54 × 660,770.88
  4. Step 4: Simplify right side
    982,873.95x = 896,523,712,814.27
  5. Step 5: Solve for x
    x = 896,523,712,814.27/982,873.95
  6. Step 6: Final answer
    x = 912,145.16

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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.