Home / 913,415.80-1,368,957.30-702,005.80

Finding the Fourth Proportional to 913,415.80, 1,368,957.30 and 702,005.80

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Solution

The fourth proportional to 913,415.80, 1,368,957.30 and 702,005.80 is: 1,052,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,415.80 : 1,368,957.30 = 702,005.80 : x
  2. Step 2: Convert to fraction form
    913,415.80/1,368,957.30 = 702,005.80/x
  3. Step 3: Cross multiply
    913,415.80x = 1,368,957.30 × 702,005.80
  4. Step 4: Simplify right side
    913,415.80x = 961,015,964,552.34
  5. Step 5: Solve for x
    x = 961,015,964,552.34/913,415.80
  6. Step 6: Final answer
    x = 1,052,112.26

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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.