Home / 1,992,258.40-2,987,998.80-662,562.40

Finding the Fourth Proportional to 1,992,258.40, 2,987,998.80 and 662,562.40

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Solution

The fourth proportional to 1,992,258.40, 2,987,998.80 and 662,562.40 is: 993,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,258.40 : 2,987,998.80 = 662,562.40 : x
  2. Step 2: Convert to fraction form
    1,992,258.40/2,987,998.80 = 662,562.40/x
  3. Step 3: Cross multiply
    1,992,258.40x = 2,987,998.80 × 662,562.40
  4. Step 4: Simplify right side
    1,992,258.40x = 1,979,735,656,125.12
  5. Step 5: Solve for x
    x = 1,979,735,656,125.12/1,992,258.40
  6. Step 6: Final answer
    x = 993,714.30

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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.