Home / 1,284,005.60-1,926,008.40-910,757.60

Finding the Fourth Proportional to 1,284,005.60, 1,926,008.40 and 910,757.60

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Solution

The fourth proportional to 1,284,005.60, 1,926,008.40 and 910,757.60 is: 1,366,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,005.60 : 1,926,008.40 = 910,757.60 : x
  2. Step 2: Convert to fraction form
    1,284,005.60/1,926,008.40 = 910,757.60/x
  3. Step 3: Cross multiply
    1,284,005.60x = 1,926,008.40 × 910,757.60
  4. Step 4: Simplify right side
    1,284,005.60x = 1,754,126,787,963.84
  5. Step 5: Solve for x
    x = 1,754,126,787,963.84/1,284,005.60
  6. Step 6: Final answer
    x = 1,366,136.40

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Similar ratio
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1.5x scale

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.