Home / 1,012,027.57-1,396,559.88-553,138.42

Finding the Fourth Proportional to 1,012,027.57, 1,396,559.88 and 553,138.42

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Solution

The fourth proportional to 1,012,027.57, 1,396,559.88 and 553,138.42 is: 763,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,027.57 : 1,396,559.88 = 553,138.42 : x
  2. Step 2: Convert to fraction form
    1,012,027.57/1,396,559.88 = 553,138.42/x
  3. Step 3: Cross multiply
    1,012,027.57x = 1,396,559.88 × 553,138.42
  4. Step 4: Simplify right side
    1,012,027.57x = 772,490,924,585.74
  5. Step 5: Solve for x
    x = 772,490,924,585.74/1,012,027.57
  6. Step 6: Final answer
    x = 763,310.16

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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.