Home / 1,209,031.88-1,813,768.14-498,665.48

Finding the Fourth Proportional to 1,209,031.88, 1,813,768.14 and 498,665.48

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Solution

The fourth proportional to 1,209,031.88, 1,813,768.14 and 498,665.48 is: 748,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,031.88 : 1,813,768.14 = 498,665.48 : x
  2. Step 2: Convert to fraction form
    1,209,031.88/1,813,768.14 = 498,665.48/x
  3. Step 3: Cross multiply
    1,209,031.88x = 1,813,768.14 × 498,665.48
  4. Step 4: Simplify right side
    1,209,031.88x = 904,463,560,141.81
  5. Step 5: Solve for x
    x = 904,463,560,141.81/1,209,031.88
  6. Step 6: Final answer
    x = 748,089.09

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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.