Home / 2,485,001.68-3,727,087.28-688,066.79

Finding the Fourth Proportional to 2,485,001.68, 3,727,087.28 and 688,066.79

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Solution

The fourth proportional to 2,485,001.68, 3,727,087.28 and 688,066.79 is: 1,031,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,001.68 : 3,727,087.28 = 688,066.79 : x
  2. Step 2: Convert to fraction form
    2,485,001.68/3,727,087.28 = 688,066.79/x
  3. Step 3: Cross multiply
    2,485,001.68x = 3,727,087.28 × 688,066.79
  4. Step 4: Simplify right side
    2,485,001.68x = 2,564,484,986,676.82
  5. Step 5: Solve for x
    x = 2,564,484,986,676.82/2,485,001.68
  6. Step 6: Final answer
    x = 1,031,985.21

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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.