Home / 1,077,809.60-1,617,297.60-446,787.20

Finding the Fourth Proportional to 1,077,809.60, 1,617,297.60 and 446,787.20

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Solution

The fourth proportional to 1,077,809.60, 1,617,297.60 and 446,787.20 is: 670,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,809.60 : 1,617,297.60 = 446,787.20 : x
  2. Step 2: Convert to fraction form
    1,077,809.60/1,617,297.60 = 446,787.20/x
  3. Step 3: Cross multiply
    1,077,809.60x = 1,617,297.60 × 446,787.20
  4. Step 4: Simplify right side
    1,077,809.60x = 722,587,866,270.72
  5. Step 5: Solve for x
    x = 722,587,866,270.72/1,077,809.60
  6. Step 6: Final answer
    x = 670,422.56

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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.