Home / 1,092,912.30-1,639,368.45-695,315.70

Finding the Fourth Proportional to 1,092,912.30, 1,639,368.45 and 695,315.70

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Solution

The fourth proportional to 1,092,912.30, 1,639,368.45 and 695,315.70 is: 1,042,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,912.30 : 1,639,368.45 = 695,315.70 : x
  2. Step 2: Convert to fraction form
    1,092,912.30/1,639,368.45 = 695,315.70/x
  3. Step 3: Cross multiply
    1,092,912.30x = 1,639,368.45 × 695,315.70
  4. Step 4: Simplify right side
    1,092,912.30x = 1,139,878,621,369.66
  5. Step 5: Solve for x
    x = 1,139,878,621,369.66/1,092,912.30
  6. Step 6: Final answer
    x = 1,042,973.55

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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.