Home / 1,510,071.80-2,259,202.80-978,630.80

Finding the Fourth Proportional to 1,510,071.80, 2,259,202.80 and 978,630.80

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Solution

The fourth proportional to 1,510,071.80, 2,259,202.80 and 978,630.80 is: 1,464,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,071.80 : 2,259,202.80 = 978,630.80 : x
  2. Step 2: Convert to fraction form
    1,510,071.80/2,259,202.80 = 978,630.80/x
  3. Step 3: Cross multiply
    1,510,071.80x = 2,259,202.80 × 978,630.80
  4. Step 4: Simplify right side
    1,510,071.80x = 2,210,925,443,526.24
  5. Step 5: Solve for x
    x = 2,210,925,443,526.24/1,510,071.80
  6. Step 6: Final answer
    x = 1,464,119.42

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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.