Home / 1,461,078.90-2,016,283.05-816,498.90

Finding the Fourth Proportional to 1,461,078.90, 2,016,283.05 and 816,498.90

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Solution

The fourth proportional to 1,461,078.90, 2,016,283.05 and 816,498.90 is: 1,126,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,078.90 : 2,016,283.05 = 816,498.90 : x
  2. Step 2: Convert to fraction form
    1,461,078.90/2,016,283.05 = 816,498.90/x
  3. Step 3: Cross multiply
    1,461,078.90x = 2,016,283.05 × 816,498.90
  4. Step 4: Simplify right side
    1,461,078.90x = 1,646,292,892,413.65
  5. Step 5: Solve for x
    x = 1,646,292,892,413.65/1,461,078.90
  6. Step 6: Final answer
    x = 1,126,765.22

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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.