Home / 1,210,931.25-1,671,136.97-674,387.25

Finding the Fourth Proportional to 1,210,931.25, 1,671,136.97 and 674,387.25

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Solution

The fourth proportional to 1,210,931.25, 1,671,136.97 and 674,387.25 is: 930,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,931.25 : 1,671,136.97 = 674,387.25 : x
  2. Step 2: Convert to fraction form
    1,210,931.25/1,671,136.97 = 674,387.25/x
  3. Step 3: Cross multiply
    1,210,931.25x = 1,671,136.97 × 674,387.25
  4. Step 4: Simplify right side
    1,210,931.25x = 1,126,993,465,571.63
  5. Step 5: Solve for x
    x = 1,126,993,465,571.63/1,210,931.25
  6. Step 6: Final answer
    x = 930,683.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.