Home / 992,455.80-1,488,683.70-905,850.60

Finding the Fourth Proportional to 992,455.80, 1,488,683.70 and 905,850.60

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Solution

The fourth proportional to 992,455.80, 1,488,683.70 and 905,850.60 is: 1,358,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,455.80 : 1,488,683.70 = 905,850.60 : x
  2. Step 2: Convert to fraction form
    992,455.80/1,488,683.70 = 905,850.60/x
  3. Step 3: Cross multiply
    992,455.80x = 1,488,683.70 × 905,850.60
  4. Step 4: Simplify right side
    992,455.80x = 1,348,525,022,855.22
  5. Step 5: Solve for x
    x = 1,348,525,022,855.22/992,455.80
  6. Step 6: Final answer
    x = 1,358,775.90

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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.