Home / 1,245,302.72-1,867,921.22-346,708.16

Finding the Fourth Proportional to 1,245,302.72, 1,867,921.22 and 346,708.16

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Solution

The fourth proportional to 1,245,302.72, 1,867,921.22 and 346,708.16 is: 520,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,302.72 : 1,867,921.22 = 346,708.16 : x
  2. Step 2: Convert to fraction form
    1,245,302.72/1,867,921.22 = 346,708.16/x
  3. Step 3: Cross multiply
    1,245,302.72x = 1,867,921.22 × 346,708.16
  4. Step 4: Simplify right side
    1,245,302.72x = 647,623,527,743.02
  5. Step 5: Solve for x
    x = 647,623,527,743.02/1,245,302.72
  6. Step 6: Final answer
    x = 520,053.09

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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.