Home / 1,131,973.53-1,563,000.27-869,913.75

Finding the Fourth Proportional to 1,131,973.53, 1,563,000.27 and 869,913.75

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Solution

The fourth proportional to 1,131,973.53, 1,563,000.27 and 869,913.75 is: 1,201,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,973.53 : 1,563,000.27 = 869,913.75 : x
  2. Step 2: Convert to fraction form
    1,131,973.53/1,563,000.27 = 869,913.75/x
  3. Step 3: Cross multiply
    1,131,973.53x = 1,563,000.27 × 869,913.75
  4. Step 4: Simplify right side
    1,131,973.53x = 1,359,675,426,126.71
  5. Step 5: Solve for x
    x = 1,359,675,426,126.71/1,131,973.53
  6. Step 6: Final answer
    x = 1,201,154.79

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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.