Home / 1,109,723.24-1,531,423.32-626,308.76

Finding the Fourth Proportional to 1,109,723.24, 1,531,423.32 and 626,308.76

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Solution

The fourth proportional to 1,109,723.24, 1,531,423.32 and 626,308.76 is: 864,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,723.24 : 1,531,423.32 = 626,308.76 : x
  2. Step 2: Convert to fraction form
    1,109,723.24/1,531,423.32 = 626,308.76/x
  3. Step 3: Cross multiply
    1,109,723.24x = 1,531,423.32 × 626,308.76
  4. Step 4: Simplify right side
    1,109,723.24x = 959,143,840,584.28
  5. Step 5: Solve for x
    x = 959,143,840,584.28/1,109,723.24
  6. Step 6: Final answer
    x = 864,309.05

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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.