Home / 1,107,788.84-1,661,683.28-266,340.60

Finding the Fourth Proportional to 1,107,788.84, 1,661,683.28 and 266,340.60

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Solution

The fourth proportional to 1,107,788.84, 1,661,683.28 and 266,340.60 is: 399,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,788.84 : 1,661,683.28 = 266,340.60 : x
  2. Step 2: Convert to fraction form
    1,107,788.84/1,661,683.28 = 266,340.60/x
  3. Step 3: Cross multiply
    1,107,788.84x = 1,661,683.28 × 266,340.60
  4. Step 4: Simplify right side
    1,107,788.84x = 442,573,721,805.17
  5. Step 5: Solve for x
    x = 442,573,721,805.17/1,107,788.84
  6. Step 6: Final answer
    x = 399,510.90

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Double scale
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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.