Home / 1,002,824.40-1,383,887.50-543,929.12

Finding the Fourth Proportional to 1,002,824.40, 1,383,887.50 and 543,929.12

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Solution

The fourth proportional to 1,002,824.40, 1,383,887.50 and 543,929.12 is: 750,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,824.40 : 1,383,887.50 = 543,929.12 : x
  2. Step 2: Convert to fraction form
    1,002,824.40/1,383,887.50 = 543,929.12/x
  3. Step 3: Cross multiply
    1,002,824.40x = 1,383,887.50 × 543,929.12
  4. Step 4: Simplify right side
    1,002,824.40x = 752,736,710,054
  5. Step 5: Solve for x
    x = 752,736,710,054/1,002,824.40
  6. Step 6: Final answer
    x = 750,616.67

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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.