Home / 1,317,019.02-1,975,716.85-406,278.41

Finding the Fourth Proportional to 1,317,019.02, 1,975,716.85 and 406,278.41

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Solution

The fourth proportional to 1,317,019.02, 1,975,716.85 and 406,278.41 is: 609,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,019.02 : 1,975,716.85 = 406,278.41 : x
  2. Step 2: Convert to fraction form
    1,317,019.02/1,975,716.85 = 406,278.41/x
  3. Step 3: Cross multiply
    1,317,019.02x = 1,975,716.85 × 406,278.41
  4. Step 4: Simplify right side
    1,317,019.02x = 802,691,100,428.21
  5. Step 5: Solve for x
    x = 802,691,100,428.21/1,317,019.02
  6. Step 6: Final answer
    x = 609,475.71

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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.