Home / 982,580.80-1,473,007.20-666,011.20

Finding the Fourth Proportional to 982,580.80, 1,473,007.20 and 666,011.20

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Solution

The fourth proportional to 982,580.80, 1,473,007.20 and 666,011.20 is: 998,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,580.80 : 1,473,007.20 = 666,011.20 : x
  2. Step 2: Convert to fraction form
    982,580.80/1,473,007.20 = 666,011.20/x
  3. Step 3: Cross multiply
    982,580.80x = 1,473,007.20 × 666,011.20
  4. Step 4: Simplify right side
    982,580.80x = 981,039,292,880.64
  5. Step 5: Solve for x
    x = 981,039,292,880.64/982,580.80
  6. Step 6: Final answer
    x = 998,431.17

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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.