Home / 1,245,414.24-1,868,123.18-346,858.56

Finding the Fourth Proportional to 1,245,414.24, 1,868,123.18 and 346,858.56

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Solution

The fourth proportional to 1,245,414.24, 1,868,123.18 and 346,858.56 is: 520,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,414.24 : 1,868,123.18 = 346,858.56 : x
  2. Step 2: Convert to fraction form
    1,245,414.24/1,868,123.18 = 346,858.56/x
  3. Step 3: Cross multiply
    1,245,414.24x = 1,868,123.18 × 346,858.56
  4. Step 4: Simplify right side
    1,245,414.24x = 647,974,516,117.42
  5. Step 5: Solve for x
    x = 647,974,516,117.42/1,245,414.24
  6. Step 6: Final answer
    x = 520,288.35

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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.