Home / 1,100,671.43-1,651,171.16-390,640.01

Finding the Fourth Proportional to 1,100,671.43, 1,651,171.16 and 390,640.01

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Solution

The fourth proportional to 1,100,671.43, 1,651,171.16 and 390,640.01 is: 586,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,671.43 : 1,651,171.16 = 390,640.01 : x
  2. Step 2: Convert to fraction form
    1,100,671.43/1,651,171.16 = 390,640.01/x
  3. Step 3: Cross multiply
    1,100,671.43x = 1,651,171.16 × 390,640.01
  4. Step 4: Simplify right side
    1,100,671.43x = 645,013,511,174.86
  5. Step 5: Solve for x
    x = 645,013,511,174.86/1,100,671.43
  6. Step 6: Final answer
    x = 586,018.22

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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.