Home / 1,244,297.60-1,866,446.40-445,605.20

Finding the Fourth Proportional to 1,244,297.60, 1,866,446.40 and 445,605.20

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Solution

The fourth proportional to 1,244,297.60, 1,866,446.40 and 445,605.20 is: 668,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,297.60 : 1,866,446.40 = 445,605.20 : x
  2. Step 2: Convert to fraction form
    1,244,297.60/1,866,446.40 = 445,605.20/x
  3. Step 3: Cross multiply
    1,244,297.60x = 1,866,446.40 × 445,605.20
  4. Step 4: Simplify right side
    1,244,297.60x = 831,698,221,361.28
  5. Step 5: Solve for x
    x = 831,698,221,361.28/1,244,297.60
  6. Step 6: Final answer
    x = 668,407.80

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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.