Home / 1,286,578.50-1,774,316.52-803,188.32

Finding the Fourth Proportional to 1,286,578.50, 1,774,316.52 and 803,188.32

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Solution

The fourth proportional to 1,286,578.50, 1,774,316.52 and 803,188.32 is: 1,107,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,578.50 : 1,774,316.52 = 803,188.32 : x
  2. Step 2: Convert to fraction form
    1,286,578.50/1,774,316.52 = 803,188.32/x
  3. Step 3: Cross multiply
    1,286,578.50x = 1,774,316.52 × 803,188.32
  4. Step 4: Simplify right side
    1,286,578.50x = 1,425,110,304,847.05
  5. Step 5: Solve for x
    x = 1,425,110,304,847.05/1,286,578.50
  6. Step 6: Final answer
    x = 1,107,674.58

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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.