Home / 1,245,412.24-1,868,120.18-346,856.56

Finding the Fourth Proportional to 1,245,412.24, 1,868,120.18 and 346,856.56

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Solution

The fourth proportional to 1,245,412.24, 1,868,120.18 and 346,856.56 is: 520,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,412.24 : 1,868,120.18 = 346,856.56 : x
  2. Step 2: Convert to fraction form
    1,245,412.24/1,868,120.18 = 346,856.56/x
  3. Step 3: Cross multiply
    1,245,412.24x = 1,868,120.18 × 346,856.56
  4. Step 4: Simplify right side
    1,245,412.24x = 647,969,739,301.38
  5. Step 5: Solve for x
    x = 647,969,739,301.38/1,245,412.24
  6. Step 6: Final answer
    x = 520,285.35

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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.