Home / 1,245,417.75-1,868,128.44-346,862.07

Finding the Fourth Proportional to 1,245,417.75, 1,868,128.44 and 346,862.07

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Solution

The fourth proportional to 1,245,417.75, 1,868,128.44 and 346,862.07 is: 520,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,417.75 : 1,868,128.44 = 346,862.07 : x
  2. Step 2: Convert to fraction form
    1,245,417.75/1,868,128.44 = 346,862.07/x
  3. Step 3: Cross multiply
    1,245,417.75x = 1,868,128.44 × 346,862.07
  4. Step 4: Simplify right side
    1,245,417.75x = 647,982,897,724.27
  5. Step 5: Solve for x
    x = 647,982,897,724.27/1,245,417.75
  6. Step 6: Final answer
    x = 520,293.61

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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.