Home / 1,107,867.84-1,661,136.72-508,077.60

Finding the Fourth Proportional to 1,107,867.84, 1,661,136.72 and 508,077.60

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Solution

The fourth proportional to 1,107,867.84, 1,661,136.72 and 508,077.60 is: 761,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,867.84 : 1,661,136.72 = 508,077.60 : x
  2. Step 2: Convert to fraction form
    1,107,867.84/1,661,136.72 = 508,077.60/x
  3. Step 3: Cross multiply
    1,107,867.84x = 1,661,136.72 × 508,077.60
  4. Step 4: Simplify right side
    1,107,867.84x = 843,986,357,969.47
  5. Step 5: Solve for x
    x = 843,986,357,969.47/1,107,867.84
  6. Step 6: Final answer
    x = 761,811.41

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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.