Home / 1,471,415.16-2,205,275.94-628,976.28

Finding the Fourth Proportional to 1,471,415.16, 2,205,275.94 and 628,976.28

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Solution

The fourth proportional to 1,471,415.16, 2,205,275.94 and 628,976.28 is: 942,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,415.16 : 2,205,275.94 = 628,976.28 : x
  2. Step 2: Convert to fraction form
    1,471,415.16/2,205,275.94 = 628,976.28/x
  3. Step 3: Cross multiply
    1,471,415.16x = 2,205,275.94 × 628,976.28
  4. Step 4: Simplify right side
    1,471,415.16x = 1,387,066,257,114.70
  5. Step 5: Solve for x
    x = 1,387,066,257,114.70/1,471,415.16
  6. Step 6: Final answer
    x = 942,674.98

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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.