Home / 1,012,672.72-1,518,440.46-338,398.75

Finding the Fourth Proportional to 1,012,672.72, 1,518,440.46 and 338,398.75

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Solution

The fourth proportional to 1,012,672.72, 1,518,440.46 and 338,398.75 is: 507,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,672.72 : 1,518,440.46 = 338,398.75 : x
  2. Step 2: Convert to fraction form
    1,012,672.72/1,518,440.46 = 338,398.75/x
  3. Step 3: Cross multiply
    1,012,672.72x = 1,518,440.46 × 338,398.75
  4. Step 4: Simplify right side
    1,012,672.72x = 513,838,353,613.43
  5. Step 5: Solve for x
    x = 513,838,353,613.43/1,012,672.72
  6. Step 6: Final answer
    x = 507,408.11

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1.5x scale

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.