Home / 992,936.16-1,489,453.44-283,068.78

Finding the Fourth Proportional to 992,936.16, 1,489,453.44 and 283,068.78

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Solution

The fourth proportional to 992,936.16, 1,489,453.44 and 283,068.78 is: 424,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,936.16 : 1,489,453.44 = 283,068.78 : x
  2. Step 2: Convert to fraction form
    992,936.16/1,489,453.44 = 283,068.78/x
  3. Step 3: Cross multiply
    992,936.16x = 1,489,453.44 × 283,068.78
  4. Step 4: Simplify right side
    992,936.16x = 421,617,768,127.60
  5. Step 5: Solve for x
    x = 421,617,768,127.60/992,936.16
  6. Step 6: Final answer
    x = 424,617.20

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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.