Home / 1,290,282.60-1,934,767.80-757,966.80

Finding the Fourth Proportional to 1,290,282.60, 1,934,767.80 and 757,966.80

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Solution

The fourth proportional to 1,290,282.60, 1,934,767.80 and 757,966.80 is: 1,136,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,282.60 : 1,934,767.80 = 757,966.80 : x
  2. Step 2: Convert to fraction form
    1,290,282.60/1,934,767.80 = 757,966.80/x
  3. Step 3: Cross multiply
    1,290,282.60x = 1,934,767.80 × 757,966.80
  4. Step 4: Simplify right side
    1,290,282.60x = 1,466,489,758,109.04
  5. Step 5: Solve for x
    x = 1,466,489,758,109.04/1,290,282.60
  6. Step 6: Final answer
    x = 1,136,564.78

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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.