Home / 1,101,999.18-1,652,356.28-427,292.22

Finding the Fourth Proportional to 1,101,999.18, 1,652,356.28 and 427,292.22

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Solution

The fourth proportional to 1,101,999.18, 1,652,356.28 and 427,292.22 is: 640,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,999.18 : 1,652,356.28 = 427,292.22 : x
  2. Step 2: Convert to fraction form
    1,101,999.18/1,652,356.28 = 427,292.22/x
  3. Step 3: Cross multiply
    1,101,999.18x = 1,652,356.28 × 427,292.22
  4. Step 4: Simplify right side
    1,101,999.18x = 706,038,983,112.14
  5. Step 5: Solve for x
    x = 706,038,983,112.14/1,101,999.18
  6. Step 6: Final answer
    x = 640,689.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.