Home / 1,004,401.62-1,385,560.08-641,443.86

Finding the Fourth Proportional to 1,004,401.62, 1,385,560.08 and 641,443.86

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Solution

The fourth proportional to 1,004,401.62, 1,385,560.08 and 641,443.86 is: 884,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,401.62 : 1,385,560.08 = 641,443.86 : x
  2. Step 2: Convert to fraction form
    1,004,401.62/1,385,560.08 = 641,443.86/x
  3. Step 3: Cross multiply
    1,004,401.62x = 1,385,560.08 × 641,443.86
  4. Step 4: Simplify right side
    1,004,401.62x = 888,759,005,977.11
  5. Step 5: Solve for x
    x = 888,759,005,977.11/1,004,401.62
  6. Step 6: Final answer
    x = 884,864.17

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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.