Home / 1,314,144.80-1,971,071.40-367,611.20

Finding the Fourth Proportional to 1,314,144.80, 1,971,071.40 and 367,611.20

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Solution

The fourth proportional to 1,314,144.80, 1,971,071.40 and 367,611.20 is: 551,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,144.80 : 1,971,071.40 = 367,611.20 : x
  2. Step 2: Convert to fraction form
    1,314,144.80/1,971,071.40 = 367,611.20/x
  3. Step 3: Cross multiply
    1,314,144.80x = 1,971,071.40 × 367,611.20
  4. Step 4: Simplify right side
    1,314,144.80x = 724,587,922,639.68
  5. Step 5: Solve for x
    x = 724,587,922,639.68/1,314,144.80
  6. Step 6: Final answer
    x = 551,376.01

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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.