Home / 1,510,538.16-2,084,597.67-822,176.75

Finding the Fourth Proportional to 1,510,538.16, 2,084,597.67 and 822,176.75

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Solution

The fourth proportional to 1,510,538.16, 2,084,597.67 and 822,176.75 is: 1,134,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,538.16 : 2,084,597.67 = 822,176.75 : x
  2. Step 2: Convert to fraction form
    1,510,538.16/2,084,597.67 = 822,176.75/x
  3. Step 3: Cross multiply
    1,510,538.16x = 2,084,597.67 × 822,176.75
  4. Step 4: Simplify right side
    1,510,538.16x = 1,713,907,745,672.83
  5. Step 5: Solve for x
    x = 1,713,907,745,672.83/1,510,538.16
  6. Step 6: Final answer
    x = 1,134,633.86

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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.