Home / 1,340,551.11-1,850,851.26-1,029,900.31

Finding the Fourth Proportional to 1,340,551.11, 1,850,851.26 and 1,029,900.31

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Solution

The fourth proportional to 1,340,551.11, 1,850,851.26 and 1,029,900.31 is: 1,421,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,551.11 : 1,850,851.26 = 1,029,900.31 : x
  2. Step 2: Convert to fraction form
    1,340,551.11/1,850,851.26 = 1,029,900.31/x
  3. Step 3: Cross multiply
    1,340,551.11x = 1,850,851.26 × 1,029,900.31
  4. Step 4: Simplify right side
    1,340,551.11x = 1,906,192,286,437.89
  5. Step 5: Solve for x
    x = 1,906,192,286,437.89/1,340,551.11
  6. Step 6: Final answer
    x = 1,421,946.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.