Home / 1,691,830.75-2,334,726.96-917,461.36

Finding the Fourth Proportional to 1,691,830.75, 2,334,726.96 and 917,461.36

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Solution

The fourth proportional to 1,691,830.75, 2,334,726.96 and 917,461.36 is: 1,266,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,830.75 : 2,334,726.96 = 917,461.36 : x
  2. Step 2: Convert to fraction form
    1,691,830.75/2,334,726.96 = 917,461.36/x
  3. Step 3: Cross multiply
    1,691,830.75x = 2,334,726.96 × 917,461.36
  4. Step 4: Simplify right side
    1,691,830.75x = 2,142,021,766,113.45
  5. Step 5: Solve for x
    x = 2,142,021,766,113.45/1,691,830.75
  6. Step 6: Final answer
    x = 1,266,096.96

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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.