Home / 1,236,822.04-1,855,206.79-338,263.80

Finding the Fourth Proportional to 1,236,822.04, 1,855,206.79 and 338,263.80

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Solution

The fourth proportional to 1,236,822.04, 1,855,206.79 and 338,263.80 is: 507,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,822.04 : 1,855,206.79 = 338,263.80 : x
  2. Step 2: Convert to fraction form
    1,236,822.04/1,855,206.79 = 338,263.80/x
  3. Step 3: Cross multiply
    1,236,822.04x = 1,855,206.79 × 338,263.80
  4. Step 4: Simplify right side
    1,236,822.04x = 627,549,290,768.52
  5. Step 5: Solve for x
    x = 627,549,290,768.52/1,236,822.04
  6. Step 6: Final answer
    x = 507,388.51

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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.