Home / 1,245,355.71-1,868,082.78-346,875.97

Finding the Fourth Proportional to 1,245,355.71, 1,868,082.78 and 346,875.97

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Solution

The fourth proportional to 1,245,355.71, 1,868,082.78 and 346,875.97 is: 520,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,355.71 : 1,868,082.78 = 346,875.97 : x
  2. Step 2: Convert to fraction form
    1,245,355.71/1,868,082.78 = 346,875.97/x
  3. Step 3: Cross multiply
    1,245,355.71x = 1,868,082.78 × 346,875.97
  4. Step 4: Simplify right side
    1,245,355.71x = 647,993,023,559.26
  5. Step 5: Solve for x
    x = 647,993,023,559.26/1,245,355.71
  6. Step 6: Final answer
    x = 520,327.66

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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.