Home / 1,804,721.95-2,489,584.78-1,223,748.53

Finding the Fourth Proportional to 1,804,721.95, 2,489,584.78 and 1,223,748.53

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Solution

The fourth proportional to 1,804,721.95, 2,489,584.78 and 1,223,748.53 is: 1,688,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,721.95 : 2,489,584.78 = 1,223,748.53 : x
  2. Step 2: Convert to fraction form
    1,804,721.95/2,489,584.78 = 1,223,748.53/x
  3. Step 3: Cross multiply
    1,804,721.95x = 2,489,584.78 × 1,223,748.53
  4. Step 4: Simplify right side
    1,804,721.95x = 3,046,625,714,835.37
  5. Step 5: Solve for x
    x = 3,046,625,714,835.37/1,804,721.95
  6. Step 6: Final answer
    x = 1,688,141.33

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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.