Home / 1,230,297.90-1,845,446.85-520,089.90

Finding the Fourth Proportional to 1,230,297.90, 1,845,446.85 and 520,089.90

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Solution

The fourth proportional to 1,230,297.90, 1,845,446.85 and 520,089.90 is: 780,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,297.90 : 1,845,446.85 = 520,089.90 : x
  2. Step 2: Convert to fraction form
    1,230,297.90/1,845,446.85 = 520,089.90/x
  3. Step 3: Cross multiply
    1,230,297.90x = 1,845,446.85 × 520,089.90
  4. Step 4: Simplify right side
    1,230,297.90x = 959,798,267,671.82
  5. Step 5: Solve for x
    x = 959,798,267,671.82/1,230,297.90
  6. Step 6: Final answer
    x = 780,134.85

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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.