Home / 1,240,347.44-1,857,808.59-879,424.26

Finding the Fourth Proportional to 1,240,347.44, 1,857,808.59 and 879,424.26

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Solution

The fourth proportional to 1,240,347.44, 1,857,808.59 and 879,424.26 is: 1,317,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,347.44 : 1,857,808.59 = 879,424.26 : x
  2. Step 2: Convert to fraction form
    1,240,347.44/1,857,808.59 = 879,424.26/x
  3. Step 3: Cross multiply
    1,240,347.44x = 1,857,808.59 × 879,424.26
  4. Step 4: Simplify right side
    1,240,347.44x = 1,633,801,944,729.79
  5. Step 5: Solve for x
    x = 1,633,801,944,729.79/1,240,347.44
  6. Step 6: Final answer
    x = 1,317,213.14

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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.