Home / 1,376,691-2,064,327.40-617,881.96

Finding the Fourth Proportional to 1,376,691, 2,064,327.40 and 617,881.96

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Solution

The fourth proportional to 1,376,691, 2,064,327.40 and 617,881.96 is: 926,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,691 : 2,064,327.40 = 617,881.96 : x
  2. Step 2: Convert to fraction form
    1,376,691/2,064,327.40 = 617,881.96/x
  3. Step 3: Cross multiply
    1,376,691x = 2,064,327.40 × 617,881.96
  4. Step 4: Simplify right side
    1,376,691x = 1,275,510,659,993.70
  5. Step 5: Solve for x
    x = 1,275,510,659,993.70/1,376,691
  6. Step 6: Final answer
    x = 926,504.68

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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.