Home / 1,311,667.68-1,968,073.30-459,350.74

Finding the Fourth Proportional to 1,311,667.68, 1,968,073.30 and 459,350.74

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Solution

The fourth proportional to 1,311,667.68, 1,968,073.30 and 459,350.74 is: 689,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,667.68 : 1,968,073.30 = 459,350.74 : x
  2. Step 2: Convert to fraction form
    1,311,667.68/1,968,073.30 = 459,350.74/x
  3. Step 3: Cross multiply
    1,311,667.68x = 1,968,073.30 × 459,350.74
  4. Step 4: Simplify right side
    1,311,667.68x = 904,035,926,729.24
  5. Step 5: Solve for x
    x = 904,035,926,729.24/1,311,667.68
  6. Step 6: Final answer
    x = 689,226.35

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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.