Home / 1,057,638.60-1,585,874.70-425,838.60

Finding the Fourth Proportional to 1,057,638.60, 1,585,874.70 and 425,838.60

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Solution

The fourth proportional to 1,057,638.60, 1,585,874.70 and 425,838.60 is: 638,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,638.60 : 1,585,874.70 = 425,838.60 : x
  2. Step 2: Convert to fraction form
    1,057,638.60/1,585,874.70 = 425,838.60/x
  3. Step 3: Cross multiply
    1,057,638.60x = 1,585,874.70 × 425,838.60
  4. Step 4: Simplify right side
    1,057,638.60x = 675,326,662,023.42
  5. Step 5: Solve for x
    x = 675,326,662,023.42/1,057,638.60
  6. Step 6: Final answer
    x = 638,523.09

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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.