Home / 1,355,708.16-2,033,615.28-409,079.04

Finding the Fourth Proportional to 1,355,708.16, 2,033,615.28 and 409,079.04

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Solution

The fourth proportional to 1,355,708.16, 2,033,615.28 and 409,079.04 is: 613,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,708.16 : 2,033,615.28 = 409,079.04 : x
  2. Step 2: Convert to fraction form
    1,355,708.16/2,033,615.28 = 409,079.04/x
  3. Step 3: Cross multiply
    1,355,708.16x = 2,033,615.28 × 409,079.04
  4. Step 4: Simplify right side
    1,355,708.16x = 831,909,386,471.73
  5. Step 5: Solve for x
    x = 831,909,386,471.73/1,355,708.16
  6. Step 6: Final answer
    x = 613,634.56

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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.