Home / 1,793,412.60-2,690,118.90-728,489.40

Finding the Fourth Proportional to 1,793,412.60, 2,690,118.90 and 728,489.40

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Solution

The fourth proportional to 1,793,412.60, 2,690,118.90 and 728,489.40 is: 1,092,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,412.60 : 2,690,118.90 = 728,489.40 : x
  2. Step 2: Convert to fraction form
    1,793,412.60/2,690,118.90 = 728,489.40/x
  3. Step 3: Cross multiply
    1,793,412.60x = 2,690,118.90 × 728,489.40
  4. Step 4: Simplify right side
    1,793,412.60x = 1,959,723,103,389.66
  5. Step 5: Solve for x
    x = 1,959,723,103,389.66/1,793,412.60
  6. Step 6: Final answer
    x = 1,092,734.10

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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.