Home / 1,267,178.15-1,900,773.84-320,549.78

Finding the Fourth Proportional to 1,267,178.15, 1,900,773.84 and 320,549.78

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Solution

The fourth proportional to 1,267,178.15, 1,900,773.84 and 320,549.78 is: 480,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,178.15 : 1,900,773.84 = 320,549.78 : x
  2. Step 2: Convert to fraction form
    1,267,178.15/1,900,773.84 = 320,549.78/x
  3. Step 3: Cross multiply
    1,267,178.15x = 1,900,773.84 × 320,549.78
  4. Step 4: Simplify right side
    1,267,178.15x = 609,292,636,241.76
  5. Step 5: Solve for x
    x = 609,292,636,241.76/1,267,178.15
  6. Step 6: Final answer
    x = 480,826.34

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1.5x scale

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.