Home / 1,801,146.42-2,701,719.09-678,952.98

Finding the Fourth Proportional to 1,801,146.42, 2,701,719.09 and 678,952.98

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Solution

The fourth proportional to 1,801,146.42, 2,701,719.09 and 678,952.98 is: 1,018,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,146.42 : 2,701,719.09 = 678,952.98 : x
  2. Step 2: Convert to fraction form
    1,801,146.42/2,701,719.09 = 678,952.98/x
  3. Step 3: Cross multiply
    1,801,146.42x = 2,701,719.09 × 678,952.98
  4. Step 4: Simplify right side
    1,801,146.42x = 1,834,340,227,278.39
  5. Step 5: Solve for x
    x = 1,834,340,227,278.39/1,801,146.42
  6. Step 6: Final answer
    x = 1,018,429.27

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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.