Home / 1,005,514.80-1,508,272.20-931,703.55

Finding the Fourth Proportional to 1,005,514.80, 1,508,272.20 and 931,703.55

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Solution

The fourth proportional to 1,005,514.80, 1,508,272.20 and 931,703.55 is: 1,397,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,514.80 : 1,508,272.20 = 931,703.55 : x
  2. Step 2: Convert to fraction form
    1,005,514.80/1,508,272.20 = 931,703.55/x
  3. Step 3: Cross multiply
    1,005,514.80x = 1,508,272.20 × 931,703.55
  4. Step 4: Simplify right side
    1,005,514.80x = 1,405,262,563,106.31
  5. Step 5: Solve for x
    x = 1,405,262,563,106.31/1,005,514.80
  6. Step 6: Final answer
    x = 1,397,555.33

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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.