Home / 1,394,813.80-2,092,220.70-397,412.20

Finding the Fourth Proportional to 1,394,813.80, 2,092,220.70 and 397,412.20

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Solution

The fourth proportional to 1,394,813.80, 2,092,220.70 and 397,412.20 is: 596,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,813.80 : 2,092,220.70 = 397,412.20 : x
  2. Step 2: Convert to fraction form
    1,394,813.80/2,092,220.70 = 397,412.20/x
  3. Step 3: Cross multiply
    1,394,813.80x = 2,092,220.70 × 397,412.20
  4. Step 4: Simplify right side
    1,394,813.80x = 831,474,031,272.54
  5. Step 5: Solve for x
    x = 831,474,031,272.54/1,394,813.80
  6. Step 6: Final answer
    x = 596,118.30

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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.