Home / 1,692,315.09-2,335,381.21-917,944.00

Finding the Fourth Proportional to 1,692,315.09, 2,335,381.21 and 917,944.00

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Solution

The fourth proportional to 1,692,315.09, 2,335,381.21 and 917,944.00 is: 1,266,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,315.09 : 2,335,381.21 = 917,944.00 : x
  2. Step 2: Convert to fraction form
    1,692,315.09/2,335,381.21 = 917,944.00/x
  3. Step 3: Cross multiply
    1,692,315.09x = 2,335,381.21 × 917,944.00
  4. Step 4: Simplify right side
    1,692,315.09x = 2,143,749,175,270.69
  5. Step 5: Solve for x
    x = 2,143,749,175,270.69/1,692,315.09
  6. Step 6: Final answer
    x = 1,266,755.34

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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.