Home / 1,259,712-1,738,471.68-723,202.56

Finding the Fourth Proportional to 1,259,712, 1,738,471.68 and 723,202.56

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Solution

The fourth proportional to 1,259,712, 1,738,471.68 and 723,202.56 is: 998,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,712 : 1,738,471.68 = 723,202.56 : x
  2. Step 2: Convert to fraction form
    1,259,712/1,738,471.68 = 723,202.56/x
  3. Step 3: Cross multiply
    1,259,712x = 1,738,471.68 × 723,202.56
  4. Step 4: Simplify right side
    1,259,712x = 1,257,267,169,463.50
  5. Step 5: Solve for x
    x = 1,257,267,169,463.50/1,259,712
  6. Step 6: Final answer
    x = 998,059.21

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1.5x scale

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.