Home / 1,012,671.72-1,518,438.96-338,397.75

Finding the Fourth Proportional to 1,012,671.72, 1,518,438.96 and 338,397.75

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Solution

The fourth proportional to 1,012,671.72, 1,518,438.96 and 338,397.75 is: 507,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,671.72 : 1,518,438.96 = 338,397.75 : x
  2. Step 2: Convert to fraction form
    1,012,671.72/1,518,438.96 = 338,397.75/x
  3. Step 3: Cross multiply
    1,012,671.72x = 1,518,438.96 × 338,397.75
  4. Step 4: Simplify right side
    1,012,671.72x = 513,836,327,576.34
  5. Step 5: Solve for x
    x = 513,836,327,576.34/1,012,671.72
  6. Step 6: Final answer
    x = 507,406.61

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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.