Home / 1,165,220.34-1,747,703.34-312,375.66

Finding the Fourth Proportional to 1,165,220.34, 1,747,703.34 and 312,375.66

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Solution

The fourth proportional to 1,165,220.34, 1,747,703.34 and 312,375.66 is: 468,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,220.34 : 1,747,703.34 = 312,375.66 : x
  2. Step 2: Convert to fraction form
    1,165,220.34/1,747,703.34 = 312,375.66/x
  3. Step 3: Cross multiply
    1,165,220.34x = 1,747,703.34 × 312,375.66
  4. Step 4: Simplify right side
    1,165,220.34x = 545,939,984,316.70
  5. Step 5: Solve for x
    x = 545,939,984,316.70/1,165,220.34
  6. Step 6: Final answer
    x = 468,529.40

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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.