Home / 1,207,205.80-1,810,808.70-365,799.40

Finding the Fourth Proportional to 1,207,205.80, 1,810,808.70 and 365,799.40

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Solution

The fourth proportional to 1,207,205.80, 1,810,808.70 and 365,799.40 is: 548,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,205.80 : 1,810,808.70 = 365,799.40 : x
  2. Step 2: Convert to fraction form
    1,207,205.80/1,810,808.70 = 365,799.40/x
  3. Step 3: Cross multiply
    1,207,205.80x = 1,810,808.70 × 365,799.40
  4. Step 4: Simplify right side
    1,207,205.80x = 662,392,735,974.78
  5. Step 5: Solve for x
    x = 662,392,735,974.78/1,207,205.80
  6. Step 6: Final answer
    x = 548,699.10

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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.