Home / 1,210,032.57-1,815,049.01-400,199.61

Finding the Fourth Proportional to 1,210,032.57, 1,815,049.01 and 400,199.61

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Solution

The fourth proportional to 1,210,032.57, 1,815,049.01 and 400,199.61 is: 600,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,032.57 : 1,815,049.01 = 400,199.61 : x
  2. Step 2: Convert to fraction form
    1,210,032.57/1,815,049.01 = 400,199.61/x
  3. Step 3: Cross multiply
    1,210,032.57x = 1,815,049.01 × 400,199.61
  4. Step 4: Simplify right side
    1,210,032.57x = 726,381,908,634.99
  5. Step 5: Solve for x
    x = 726,381,908,634.99/1,210,032.57
  6. Step 6: Final answer
    x = 600,299.47

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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.