Home / 1,918,659.30-2,876,470.74-720,448.14

Finding the Fourth Proportional to 1,918,659.30, 2,876,470.74 and 720,448.14

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Solution

The fourth proportional to 1,918,659.30, 2,876,470.74 and 720,448.14 is: 1,080,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,659.30 : 2,876,470.74 = 720,448.14 : x
  2. Step 2: Convert to fraction form
    1,918,659.30/2,876,470.74 = 720,448.14/x
  3. Step 3: Cross multiply
    1,918,659.30x = 2,876,470.74 × 720,448.14
  4. Step 4: Simplify right side
    1,918,659.30x = 2,072,347,994,397.42
  5. Step 5: Solve for x
    x = 2,072,347,994,397.42/1,918,659.30
  6. Step 6: Final answer
    x = 1,080,102.13

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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.