Home / 1,448,579.40-2,172,858.30-437,699.40

Finding the Fourth Proportional to 1,448,579.40, 2,172,858.30 and 437,699.40

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Solution

The fourth proportional to 1,448,579.40, 2,172,858.30 and 437,699.40 is: 656,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,579.40 : 2,172,858.30 = 437,699.40 : x
  2. Step 2: Convert to fraction form
    1,448,579.40/2,172,858.30 = 437,699.40/x
  3. Step 3: Cross multiply
    1,448,579.40x = 2,172,858.30 × 437,699.40
  4. Step 4: Simplify right side
    1,448,579.40x = 951,058,774,195.02
  5. Step 5: Solve for x
    x = 951,058,774,195.02/1,448,579.40
  6. Step 6: Final answer
    x = 656,545.84

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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.