Home / 1,207,850.40-1,811,314.80-366,122.40

Finding the Fourth Proportional to 1,207,850.40, 1,811,314.80 and 366,122.40

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Solution

The fourth proportional to 1,207,850.40, 1,811,314.80 and 366,122.40 is: 549,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,850.40 : 1,811,314.80 = 366,122.40 : x
  2. Step 2: Convert to fraction form
    1,207,850.40/1,811,314.80 = 366,122.40/x
  3. Step 3: Cross multiply
    1,207,850.40x = 1,811,314.80 × 366,122.40
  4. Step 4: Simplify right side
    1,207,850.40x = 663,162,921,731.52
  5. Step 5: Solve for x
    x = 663,162,921,731.52/1,207,850.40
  6. Step 6: Final answer
    x = 549,043.92

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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.