Home / 869,141.90-1,301,088.45-764,165.90

Finding the Fourth Proportional to 869,141.90, 1,301,088.45 and 764,165.90

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Solution

The fourth proportional to 869,141.90, 1,301,088.45 and 764,165.90 is: 1,143,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,141.90 : 1,301,088.45 = 764,165.90 : x
  2. Step 2: Convert to fraction form
    869,141.90/1,301,088.45 = 764,165.90/x
  3. Step 3: Cross multiply
    869,141.90x = 1,301,088.45 × 764,165.90
  4. Step 4: Simplify right side
    869,141.90x = 994,247,426,373.86
  5. Step 5: Solve for x
    x = 994,247,426,373.86/869,141.90
  6. Step 6: Final answer
    x = 1,143,941.43

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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.