Home / 1,346,361.60-2,016,820.80-839,366.40

Finding the Fourth Proportional to 1,346,361.60, 2,016,820.80 and 839,366.40

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Solution

The fourth proportional to 1,346,361.60, 2,016,820.80 and 839,366.40 is: 1,257,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,361.60 : 2,016,820.80 = 839,366.40 : x
  2. Step 2: Convert to fraction form
    1,346,361.60/2,016,820.80 = 839,366.40/x
  3. Step 3: Cross multiply
    1,346,361.60x = 2,016,820.80 × 839,366.40
  4. Step 4: Simplify right side
    1,346,361.60x = 1,692,851,614,341.12
  5. Step 5: Solve for x
    x = 1,692,851,614,341.12/1,346,361.60
  6. Step 6: Final answer
    x = 1,257,352.86

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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.