Home / 855,130.60-1,285,806.30-836,468.20

Finding the Fourth Proportional to 855,130.60, 1,285,806.30 and 836,468.20

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Solution

The fourth proportional to 855,130.60, 1,285,806.30 and 836,468.20 is: 1,257,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,130.60 : 1,285,806.30 = 836,468.20 : x
  2. Step 2: Convert to fraction form
    855,130.60/1,285,806.30 = 836,468.20/x
  3. Step 3: Cross multiply
    855,130.60x = 1,285,806.30 × 836,468.20
  4. Step 4: Simplify right side
    855,130.60x = 1,075,536,081,309.66
  5. Step 5: Solve for x
    x = 1,075,536,081,309.66/855,130.60
  6. Step 6: Final answer
    x = 1,257,744.82

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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.