Home / 1,547,090.80-2,321,292.30-978,908.20

Finding the Fourth Proportional to 1,547,090.80, 2,321,292.30 and 978,908.20

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Solution

The fourth proportional to 1,547,090.80, 2,321,292.30 and 978,908.20 is: 1,468,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,090.80 : 2,321,292.30 = 978,908.20 : x
  2. Step 2: Convert to fraction form
    1,547,090.80/2,321,292.30 = 978,908.20/x
  3. Step 3: Cross multiply
    1,547,090.80x = 2,321,292.30 × 978,908.20
  4. Step 4: Simplify right side
    1,547,090.80x = 2,272,332,067,066.86
  5. Step 5: Solve for x
    x = 2,272,332,067,066.86/1,547,090.80
  6. Step 6: Final answer
    x = 1,468,777.44

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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.