Home / 1,517,241.70-2,275,862.55-808,653.70

Finding the Fourth Proportional to 1,517,241.70, 2,275,862.55 and 808,653.70

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Solution

The fourth proportional to 1,517,241.70, 2,275,862.55 and 808,653.70 is: 1,212,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,241.70 : 2,275,862.55 = 808,653.70 : x
  2. Step 2: Convert to fraction form
    1,517,241.70/2,275,862.55 = 808,653.70/x
  3. Step 3: Cross multiply
    1,517,241.70x = 2,275,862.55 × 808,653.70
  4. Step 4: Simplify right side
    1,517,241.70x = 1,840,384,671,748.93
  5. Step 5: Solve for x
    x = 1,840,384,671,748.93/1,517,241.70
  6. Step 6: Final answer
    x = 1,212,980.55

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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.