Home / 1,000,456-1,380,761.04-570,637.60

Finding the Fourth Proportional to 1,000,456, 1,380,761.04 and 570,637.60

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Solution

The fourth proportional to 1,000,456, 1,380,761.04 and 570,637.60 is: 787,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,456 : 1,380,761.04 = 570,637.60 : x
  2. Step 2: Convert to fraction form
    1,000,456/1,380,761.04 = 570,637.60/x
  3. Step 3: Cross multiply
    1,000,456x = 1,380,761.04 × 570,637.60
  4. Step 4: Simplify right side
    1,000,456x = 787,914,166,039.10
  5. Step 5: Solve for x
    x = 787,914,166,039.10/1,000,456
  6. Step 6: Final answer
    x = 787,555.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.