Home / 1,267,100.72-1,900,771.16-356,281.20

Finding the Fourth Proportional to 1,267,100.72, 1,900,771.16 and 356,281.20

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Solution

The fourth proportional to 1,267,100.72, 1,900,771.16 and 356,281.20 is: 534,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,100.72 : 1,900,771.16 = 356,281.20 : x
  2. Step 2: Convert to fraction form
    1,267,100.72/1,900,771.16 = 356,281.20/x
  3. Step 3: Cross multiply
    1,267,100.72x = 1,900,771.16 × 356,281.20
  4. Step 4: Simplify right side
    1,267,100.72x = 677,209,029,810.19
  5. Step 5: Solve for x
    x = 677,209,029,810.19/1,267,100.72
  6. Step 6: Final answer
    x = 534,455.56

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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.