Home / 1,355,878.50-1,871,107.18-744,041.49

Finding the Fourth Proportional to 1,355,878.50, 1,871,107.18 and 744,041.49

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Solution

The fourth proportional to 1,355,878.50, 1,871,107.18 and 744,041.49 is: 1,026,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,878.50 : 1,871,107.18 = 744,041.49 : x
  2. Step 2: Convert to fraction form
    1,355,878.50/1,871,107.18 = 744,041.49/x
  3. Step 3: Cross multiply
    1,355,878.50x = 1,871,107.18 × 744,041.49
  4. Step 4: Simplify right side
    1,355,878.50x = 1,392,181,374,156.90
  5. Step 5: Solve for x
    x = 1,392,181,374,156.90/1,355,878.50
  6. Step 6: Final answer
    x = 1,026,774.43

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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.