Home / 1,098,012.80-1,646,241.60-423,833.60

Finding the Fourth Proportional to 1,098,012.80, 1,646,241.60 and 423,833.60

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Solution

The fourth proportional to 1,098,012.80, 1,646,241.60 and 423,833.60 is: 635,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,012.80 : 1,646,241.60 = 423,833.60 : x
  2. Step 2: Convert to fraction form
    1,098,012.80/1,646,241.60 = 423,833.60/x
  3. Step 3: Cross multiply
    1,098,012.80x = 1,646,241.60 × 423,833.60
  4. Step 4: Simplify right side
    1,098,012.80x = 697,732,503,797.76
  5. Step 5: Solve for x
    x = 697,732,503,797.76/1,098,012.80
  6. Step 6: Final answer
    x = 635,450.25

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1.5x scale

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.