Home / 1,379,520.31-2,068,677.10-695,986.51

Finding the Fourth Proportional to 1,379,520.31, 2,068,677.10 and 695,986.51

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Solution

The fourth proportional to 1,379,520.31, 2,068,677.10 and 695,986.51 is: 1,043,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,520.31 : 2,068,677.10 = 695,986.51 : x
  2. Step 2: Convert to fraction form
    1,379,520.31/2,068,677.10 = 695,986.51/x
  3. Step 3: Cross multiply
    1,379,520.31x = 2,068,677.10 × 695,986.51
  4. Step 4: Simplify right side
    1,379,520.31x = 1,439,771,355,145.92
  5. Step 5: Solve for x
    x = 1,439,771,355,145.92/1,379,520.31
  6. Step 6: Final answer
    x = 1,043,675.36

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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.