Home / 1,355,845.19-1,871,061.22-744,008.19

Finding the Fourth Proportional to 1,355,845.19, 1,871,061.22 and 744,008.19

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Solution

The fourth proportional to 1,355,845.19, 1,871,061.22 and 744,008.19 is: 1,026,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,845.19 : 1,871,061.22 = 744,008.19 : x
  2. Step 2: Convert to fraction form
    1,355,845.19/1,871,061.22 = 744,008.19/x
  3. Step 3: Cross multiply
    1,355,845.19x = 1,871,061.22 × 744,008.19
  4. Step 4: Simplify right side
    1,355,845.19x = 1,392,084,871,671.39
  5. Step 5: Solve for x
    x = 1,392,084,871,671.39/1,355,845.19
  6. Step 6: Final answer
    x = 1,026,728.48

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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.