Home / 1,988,585.60-2,982,878.40-658,889.60

Finding the Fourth Proportional to 1,988,585.60, 2,982,878.40 and 658,889.60

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Solution

The fourth proportional to 1,988,585.60, 2,982,878.40 and 658,889.60 is: 988,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,585.60 : 2,982,878.40 = 658,889.60 : x
  2. Step 2: Convert to fraction form
    1,988,585.60/2,982,878.40 = 658,889.60/x
  3. Step 3: Cross multiply
    1,988,585.60x = 2,982,878.40 × 658,889.60
  4. Step 4: Simplify right side
    1,988,585.60x = 1,965,387,555,824.64
  5. Step 5: Solve for x
    x = 1,965,387,555,824.64/1,988,585.60
  6. Step 6: Final answer
    x = 988,334.40

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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.