Home / 1,264,868.45-1,745,238.76-774,941.48

Finding the Fourth Proportional to 1,264,868.45, 1,745,238.76 and 774,941.48

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Solution

The fourth proportional to 1,264,868.45, 1,745,238.76 and 774,941.48 is: 1,069,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,868.45 : 1,745,238.76 = 774,941.48 : x
  2. Step 2: Convert to fraction form
    1,264,868.45/1,745,238.76 = 774,941.48/x
  3. Step 3: Cross multiply
    1,264,868.45x = 1,745,238.76 × 774,941.48
  4. Step 4: Simplify right side
    1,264,868.45x = 1,352,457,898,901.57
  5. Step 5: Solve for x
    x = 1,352,457,898,901.57/1,264,868.45
  6. Step 6: Final answer
    x = 1,069,247.88

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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.