Home / 1,207,727.80-1,811,591.70-366,321.40

Finding the Fourth Proportional to 1,207,727.80, 1,811,591.70 and 366,321.40

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Solution

The fourth proportional to 1,207,727.80, 1,811,591.70 and 366,321.40 is: 549,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,727.80 : 1,811,591.70 = 366,321.40 : x
  2. Step 2: Convert to fraction form
    1,207,727.80/1,811,591.70 = 366,321.40/x
  3. Step 3: Cross multiply
    1,207,727.80x = 1,811,591.70 × 366,321.40
  4. Step 4: Simplify right side
    1,207,727.80x = 663,624,807,772.38
  5. Step 5: Solve for x
    x = 663,624,807,772.38/1,207,727.80
  6. Step 6: Final answer
    x = 549,482.10

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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.