Home / 917,828.70-1,375,398.45-823,058.70

Finding the Fourth Proportional to 917,828.70, 1,375,398.45 and 823,058.70

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Solution

The fourth proportional to 917,828.70, 1,375,398.45 and 823,058.70 is: 1,233,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,828.70 : 1,375,398.45 = 823,058.70 : x
  2. Step 2: Convert to fraction form
    917,828.70/1,375,398.45 = 823,058.70/x
  3. Step 3: Cross multiply
    917,828.70x = 1,375,398.45 × 823,058.70
  4. Step 4: Simplify right side
    917,828.70x = 1,132,033,660,239.01
  5. Step 5: Solve for x
    x = 1,132,033,660,239.01/917,828.70
  6. Step 6: Final answer
    x = 1,233,382.29

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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.