Home / 1,368,417.80-2,052,916.48-408,948.10

Finding the Fourth Proportional to 1,368,417.80, 2,052,916.48 and 408,948.10

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Solution

The fourth proportional to 1,368,417.80, 2,052,916.48 and 408,948.10 is: 613,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,417.80 : 2,052,916.48 = 408,948.10 : x
  2. Step 2: Convert to fraction form
    1,368,417.80/2,052,916.48 = 408,948.10/x
  3. Step 3: Cross multiply
    1,368,417.80x = 2,052,916.48 × 408,948.10
  4. Step 4: Simplify right side
    1,368,417.80x = 839,536,293,954.69
  5. Step 5: Solve for x
    x = 839,536,293,954.69/1,368,417.80
  6. Step 6: Final answer
    x = 613,508.75

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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.