Home / 1,264,868.70-1,745,239.11-774,941.73

Finding the Fourth Proportional to 1,264,868.70, 1,745,239.11 and 774,941.73

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Solution

The fourth proportional to 1,264,868.70, 1,745,239.11 and 774,941.73 is: 1,069,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,868.70 : 1,745,239.11 = 774,941.73 : x
  2. Step 2: Convert to fraction form
    1,264,868.70/1,745,239.11 = 774,941.73/x
  3. Step 3: Cross multiply
    1,264,868.70x = 1,745,239.11 × 774,941.73
  4. Step 4: Simplify right side
    1,264,868.70x = 1,352,458,602,566.16
  5. Step 5: Solve for x
    x = 1,352,458,602,566.16/1,264,868.70
  6. Step 6: Final answer
    x = 1,069,248.22

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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.