Home / 1,208,392.03-1,667,109.02-691,869.87

Finding the Fourth Proportional to 1,208,392.03, 1,667,109.02 and 691,869.87

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Solution

The fourth proportional to 1,208,392.03, 1,667,109.02 and 691,869.87 is: 954,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,392.03 : 1,667,109.02 = 691,869.87 : x
  2. Step 2: Convert to fraction form
    1,208,392.03/1,667,109.02 = 691,869.87/x
  3. Step 3: Cross multiply
    1,208,392.03x = 1,667,109.02 × 691,869.87
  4. Step 4: Simplify right side
    1,208,392.03x = 1,153,422,492,396.65
  5. Step 5: Solve for x
    x = 1,153,422,492,396.65/1,208,392.03
  6. Step 6: Final answer
    x = 954,510.18

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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.