Home / 1,039,892.45-1,556,728.28-978,375.65

Finding the Fourth Proportional to 1,039,892.45, 1,556,728.28 and 978,375.65

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Solution

The fourth proportional to 1,039,892.45, 1,556,728.28 and 978,375.65 is: 1,464,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,892.45 : 1,556,728.28 = 978,375.65 : x
  2. Step 2: Convert to fraction form
    1,039,892.45/1,556,728.28 = 978,375.65/x
  3. Step 3: Cross multiply
    1,039,892.45x = 1,556,728.28 × 978,375.65
  4. Step 4: Simplify right side
    1,039,892.45x = 1,523,065,037,926.50
  5. Step 5: Solve for x
    x = 1,523,065,037,926.50/1,039,892.45
  6. Step 6: Final answer
    x = 1,464,637.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.