Home / 1,172,026.51-1,617,712.36-688,915.48

Finding the Fourth Proportional to 1,172,026.51, 1,617,712.36 and 688,915.48

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Solution

The fourth proportional to 1,172,026.51, 1,617,712.36 and 688,915.48 is: 950,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,026.51 : 1,617,712.36 = 688,915.48 : x
  2. Step 2: Convert to fraction form
    1,172,026.51/1,617,712.36 = 688,915.48/x
  3. Step 3: Cross multiply
    1,172,026.51x = 1,617,712.36 × 688,915.48
  4. Step 4: Simplify right side
    1,172,026.51x = 1,114,467,084,257.97
  5. Step 5: Solve for x
    x = 1,114,467,084,257.97/1,172,026.51
  6. Step 6: Final answer
    x = 950,888.97

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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.