Home / 1,806,355.20-2,492,749.61-1,042,392.36

Finding the Fourth Proportional to 1,806,355.20, 2,492,749.61 and 1,042,392.36

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Solution

The fourth proportional to 1,806,355.20, 2,492,749.61 and 1,042,392.36 is: 1,438,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,355.20 : 2,492,749.61 = 1,042,392.36 : x
  2. Step 2: Convert to fraction form
    1,806,355.20/2,492,749.61 = 1,042,392.36/x
  3. Step 3: Cross multiply
    1,806,355.20x = 2,492,749.61 × 1,042,392.36
  4. Step 4: Simplify right side
    1,806,355.20x = 2,598,423,143,645.02
  5. Step 5: Solve for x
    x = 2,598,423,143,645.02/1,806,355.20
  6. Step 6: Final answer
    x = 1,438,489.59

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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.