Home / 1,208,295.66-1,811,311.10-409,017.90

Finding the Fourth Proportional to 1,208,295.66, 1,811,311.10 and 409,017.90

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Solution

The fourth proportional to 1,208,295.66, 1,811,311.10 and 409,017.90 is: 613,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,295.66 : 1,811,311.10 = 409,017.90 : x
  2. Step 2: Convert to fraction form
    1,208,295.66/1,811,311.10 = 409,017.90/x
  3. Step 3: Cross multiply
    1,208,295.66x = 1,811,311.10 × 409,017.90
  4. Step 4: Simplify right side
    1,208,295.66x = 740,858,662,368.69
  5. Step 5: Solve for x
    x = 740,858,662,368.69/1,208,295.66
  6. Step 6: Final answer
    x = 613,143.53

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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.