Home / 1,221,242.40-1,831,564.92-954,340.92

Finding the Fourth Proportional to 1,221,242.40, 1,831,564.92 and 954,340.92

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Solution

The fourth proportional to 1,221,242.40, 1,831,564.92 and 954,340.92 is: 1,431,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,242.40 : 1,831,564.92 = 954,340.92 : x
  2. Step 2: Convert to fraction form
    1,221,242.40/1,831,564.92 = 954,340.92/x
  3. Step 3: Cross multiply
    1,221,242.40x = 1,831,564.92 × 954,340.92
  4. Step 4: Simplify right side
    1,221,242.40x = 1,747,937,350,792.53
  5. Step 5: Solve for x
    x = 1,747,937,350,792.53/1,221,242.40
  6. Step 6: Final answer
    x = 1,431,277.98

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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.