Home / 1,221,087.24-1,831,718.34-322,520.02

Finding the Fourth Proportional to 1,221,087.24, 1,831,718.34 and 322,520.02

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Solution

The fourth proportional to 1,221,087.24, 1,831,718.34 and 322,520.02 is: 483,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,087.24 : 1,831,718.34 = 322,520.02 : x
  2. Step 2: Convert to fraction form
    1,221,087.24/1,831,718.34 = 322,520.02/x
  3. Step 3: Cross multiply
    1,221,087.24x = 1,831,718.34 × 322,520.02
  4. Step 4: Simplify right side
    1,221,087.24x = 590,765,831,071.87
  5. Step 5: Solve for x
    x = 590,765,831,071.87/1,221,087.24
  6. Step 6: Final answer
    x = 483,803.13

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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.