Home / 1,805,959.83-2,492,129.33-1,031,438.41

Finding the Fourth Proportional to 1,805,959.83, 2,492,129.33 and 1,031,438.41

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Solution

The fourth proportional to 1,805,959.83, 2,492,129.33 and 1,031,438.41 is: 1,423,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,959.83 : 2,492,129.33 = 1,031,438.41 : x
  2. Step 2: Convert to fraction form
    1,805,959.83/2,492,129.33 = 1,031,438.41/x
  3. Step 3: Cross multiply
    1,805,959.83x = 2,492,129.33 × 1,031,438.41
  4. Step 4: Simplify right side
    1,805,959.83x = 2,570,477,906,129.94
  5. Step 5: Solve for x
    x = 2,570,477,906,129.94/1,805,959.83
  6. Step 6: Final answer
    x = 1,423,330.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.