Home / 1,123,424.80-1,685,355.90-483,727.30

Finding the Fourth Proportional to 1,123,424.80, 1,685,355.90 and 483,727.30

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Solution

The fourth proportional to 1,123,424.80, 1,685,355.90 and 483,727.30 is: 725,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,424.80 : 1,685,355.90 = 483,727.30 : x
  2. Step 2: Convert to fraction form
    1,123,424.80/1,685,355.90 = 483,727.30/x
  3. Step 3: Cross multiply
    1,123,424.80x = 1,685,355.90 × 483,727.30
  4. Step 4: Simplify right side
    1,123,424.80x = 815,252,659,046.07
  5. Step 5: Solve for x
    x = 815,252,659,046.07/1,123,424.80
  6. Step 6: Final answer
    x = 725,685.12

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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.