Home / 1,299,124.16-1,948,560.94-400,324.57

Finding the Fourth Proportional to 1,299,124.16, 1,948,560.94 and 400,324.57

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Solution

The fourth proportional to 1,299,124.16, 1,948,560.94 and 400,324.57 is: 600,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,124.16 : 1,948,560.94 = 400,324.57 : x
  2. Step 2: Convert to fraction form
    1,299,124.16/1,948,560.94 = 400,324.57/x
  3. Step 3: Cross multiply
    1,299,124.16x = 1,948,560.94 × 400,324.57
  4. Step 4: Simplify right side
    1,299,124.16x = 780,056,820,424.30
  5. Step 5: Solve for x
    x = 780,056,820,424.30/1,299,124.16
  6. Step 6: Final answer
    x = 600,448.24

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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.