Home / 1,000,155.40-1,380,203.22-547,441

Finding the Fourth Proportional to 1,000,155.40, 1,380,203.22 and 547,441

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Solution

The fourth proportional to 1,000,155.40, 1,380,203.22 and 547,441 is: 755,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,155.40 : 1,380,203.22 = 547,441 : x
  2. Step 2: Convert to fraction form
    1,000,155.40/1,380,203.22 = 547,441/x
  3. Step 3: Cross multiply
    1,000,155.40x = 1,380,203.22 × 547,441
  4. Step 4: Simplify right side
    1,000,155.40x = 755,579,830,960.02
  5. Step 5: Solve for x
    x = 755,579,830,960.02/1,000,155.40
  6. Step 6: Final answer
    x = 755,462.43

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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.