Home / 1,455,069.42-2,008,057.76-810,489.90

Finding the Fourth Proportional to 1,455,069.42, 2,008,057.76 and 810,489.90

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Solution

The fourth proportional to 1,455,069.42, 2,008,057.76 and 810,489.90 is: 1,118,510.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,069.42 : 2,008,057.76 = 810,489.90 : x
  2. Step 2: Convert to fraction form
    1,455,069.42/2,008,057.76 = 810,489.90/x
  3. Step 3: Cross multiply
    1,455,069.42x = 2,008,057.76 × 810,489.90
  4. Step 4: Simplify right side
    1,455,069.42x = 1,627,510,533,096.62
  5. Step 5: Solve for x
    x = 1,627,510,533,096.62/1,455,069.42
  6. Step 6: Final answer
    x = 1,118,510.57

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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.