Home / 1,015,205.40-1,522,808.10-341,390.70

Finding the Fourth Proportional to 1,015,205.40, 1,522,808.10 and 341,390.70

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Solution

The fourth proportional to 1,015,205.40, 1,522,808.10 and 341,390.70 is: 512,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,205.40 : 1,522,808.10 = 341,390.70 : x
  2. Step 2: Convert to fraction form
    1,015,205.40/1,522,808.10 = 341,390.70/x
  3. Step 3: Cross multiply
    1,015,205.40x = 1,522,808.10 × 341,390.70
  4. Step 4: Simplify right side
    1,015,205.40x = 519,872,523,224.67
  5. Step 5: Solve for x
    x = 519,872,523,224.67/1,015,205.40
  6. Step 6: Final answer
    x = 512,086.05

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Double scale
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Similar ratio
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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.