Home / 1,313,622.45-1,971,211.91-555,422.49

Finding the Fourth Proportional to 1,313,622.45, 1,971,211.91 and 555,422.49

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Solution

The fourth proportional to 1,313,622.45, 1,971,211.91 and 555,422.49 is: 833,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,622.45 : 1,971,211.91 = 555,422.49 : x
  2. Step 2: Convert to fraction form
    1,313,622.45/1,971,211.91 = 555,422.49/x
  3. Step 3: Cross multiply
    1,313,622.45x = 1,971,211.91 × 555,422.49
  4. Step 4: Simplify right side
    1,313,622.45x = 1,094,855,424,592.74
  5. Step 5: Solve for x
    x = 1,094,855,424,592.74/1,313,622.45
  6. Step 6: Final answer
    x = 833,462.78

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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.