Home / 849,999.36-1,276,769.70-717,139.92

Finding the Fourth Proportional to 849,999.36, 1,276,769.70 and 717,139.92

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Solution

The fourth proportional to 849,999.36, 1,276,769.70 and 717,139.92 is: 1,077,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,999.36 : 1,276,769.70 = 717,139.92 : x
  2. Step 2: Convert to fraction form
    849,999.36/1,276,769.70 = 717,139.92/x
  3. Step 3: Cross multiply
    849,999.36x = 1,276,769.70 × 717,139.92
  4. Step 4: Simplify right side
    849,999.36x = 915,622,520,516.42
  5. Step 5: Solve for x
    x = 915,622,520,516.42/849,999.36
  6. Step 6: Final answer
    x = 1,077,203.78

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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.