Home / 1,681,032.90-2,521,877.40-669,982.80

Finding the Fourth Proportional to 1,681,032.90, 2,521,877.40 and 669,982.80

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Solution

The fourth proportional to 1,681,032.90, 2,521,877.40 and 669,982.80 is: 1,005,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,032.90 : 2,521,877.40 = 669,982.80 : x
  2. Step 2: Convert to fraction form
    1,681,032.90/2,521,877.40 = 669,982.80/x
  3. Step 3: Cross multiply
    1,681,032.90x = 2,521,877.40 × 669,982.80
  4. Step 4: Simplify right side
    1,681,032.90x = 1,689,614,481,708.72
  5. Step 5: Solve for x
    x = 1,689,614,481,708.72/1,681,032.90
  6. Step 6: Final answer
    x = 1,005,104.95

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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.