Home / 1,618,629.20-2,425,999.80-671,512.40

Finding the Fourth Proportional to 1,618,629.20, 2,425,999.80 and 671,512.40

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Solution

The fourth proportional to 1,618,629.20, 2,425,999.80 and 671,512.40 is: 1,006,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,629.20 : 2,425,999.80 = 671,512.40 : x
  2. Step 2: Convert to fraction form
    1,618,629.20/2,425,999.80 = 671,512.40/x
  3. Step 3: Cross multiply
    1,618,629.20x = 2,425,999.80 × 671,512.40
  4. Step 4: Simplify right side
    1,618,629.20x = 1,629,088,948,097.52
  5. Step 5: Solve for x
    x = 1,629,088,948,097.52/1,618,629.20
  6. Step 6: Final answer
    x = 1,006,462.10

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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.