Home / 1,098,628.82-1,648,098.90-340,529.87

Finding the Fourth Proportional to 1,098,628.82, 1,648,098.90 and 340,529.87

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Solution

The fourth proportional to 1,098,628.82, 1,648,098.90 and 340,529.87 is: 510,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,628.82 : 1,648,098.90 = 340,529.87 : x
  2. Step 2: Convert to fraction form
    1,098,628.82/1,648,098.90 = 340,529.87/x
  3. Step 3: Cross multiply
    1,098,628.82x = 1,648,098.90 × 340,529.87
  4. Step 4: Simplify right side
    1,098,628.82x = 561,226,908,284.39
  5. Step 5: Solve for x
    x = 561,226,908,284.39/1,098,628.82
  6. Step 6: Final answer
    x = 510,843.06

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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.