Home / 1,513,915.80-2,089,250.46-869,465.22

Finding the Fourth Proportional to 1,513,915.80, 2,089,250.46 and 869,465.22

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Solution

The fourth proportional to 1,513,915.80, 2,089,250.46 and 869,465.22 is: 1,199,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,915.80 : 2,089,250.46 = 869,465.22 : x
  2. Step 2: Convert to fraction form
    1,513,915.80/2,089,250.46 = 869,465.22/x
  3. Step 3: Cross multiply
    1,513,915.80x = 2,089,250.46 × 869,465.22
  4. Step 4: Simplify right side
    1,513,915.80x = 1,816,530,610,839.00
  5. Step 5: Solve for x
    x = 1,816,530,610,839.00/1,513,915.80
  6. Step 6: Final answer
    x = 1,199,888.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.