Home / 1,451,257.40-2,175,071.70-741,567.80

Finding the Fourth Proportional to 1,451,257.40, 2,175,071.70 and 741,567.80

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Solution

The fourth proportional to 1,451,257.40, 2,175,071.70 and 741,567.80 is: 1,111,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,257.40 : 2,175,071.70 = 741,567.80 : x
  2. Step 2: Convert to fraction form
    1,451,257.40/2,175,071.70 = 741,567.80/x
  3. Step 3: Cross multiply
    1,451,257.40x = 2,175,071.70 × 741,567.80
  4. Step 4: Simplify right side
    1,451,257.40x = 1,612,963,135,411.26
  5. Step 5: Solve for x
    x = 1,612,963,135,411.26/1,451,257.40
  6. Step 6: Final answer
    x = 1,111,424.57

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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.