Home / 1,510,079.80-2,259,214.80-978,638.80

Finding the Fourth Proportional to 1,510,079.80, 2,259,214.80 and 978,638.80

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Solution

The fourth proportional to 1,510,079.80, 2,259,214.80 and 978,638.80 is: 1,464,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,079.80 : 2,259,214.80 = 978,638.80 : x
  2. Step 2: Convert to fraction form
    1,510,079.80/2,259,214.80 = 978,638.80/x
  3. Step 3: Cross multiply
    1,510,079.80x = 2,259,214.80 × 978,638.80
  4. Step 4: Simplify right side
    1,510,079.80x = 2,210,955,260,814.24
  5. Step 5: Solve for x
    x = 2,210,955,260,814.24/1,510,079.80
  6. Step 6: Final answer
    x = 1,464,131.41

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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.