Home / 1,687,000.40-2,328,002.64-962,081.60

Finding the Fourth Proportional to 1,687,000.40, 2,328,002.64 and 962,081.60

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Solution

The fourth proportional to 1,687,000.40, 2,328,002.64 and 962,081.60 is: 1,327,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,000.40 : 2,328,002.64 = 962,081.60 : x
  2. Step 2: Convert to fraction form
    1,687,000.40/2,328,002.64 = 962,081.60/x
  3. Step 3: Cross multiply
    1,687,000.40x = 2,328,002.64 × 962,081.60
  4. Step 4: Simplify right side
    1,687,000.40x = 2,239,728,504,695.42
  5. Step 5: Solve for x
    x = 2,239,728,504,695.42/1,687,000.40
  6. Step 6: Final answer
    x = 1,327,639.58

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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.