Home / 1,325,055.09-1,986,153.78-650,351.01

Finding the Fourth Proportional to 1,325,055.09, 1,986,153.78 and 650,351.01

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Solution

The fourth proportional to 1,325,055.09, 1,986,153.78 and 650,351.01 is: 974,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,055.09 : 1,986,153.78 = 650,351.01 : x
  2. Step 2: Convert to fraction form
    1,325,055.09/1,986,153.78 = 650,351.01/x
  3. Step 3: Cross multiply
    1,325,055.09x = 1,986,153.78 × 650,351.01
  4. Step 4: Simplify right side
    1,325,055.09x = 1,291,697,116,838.32
  5. Step 5: Solve for x
    x = 1,291,697,116,838.32/1,325,055.09
  6. Step 6: Final answer
    x = 974,825.22

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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.