Home / 1,618,117.70-2,425,232.55-671,000.90

Finding the Fourth Proportional to 1,618,117.70, 2,425,232.55 and 671,000.90

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Solution

The fourth proportional to 1,618,117.70, 2,425,232.55 and 671,000.90 is: 1,005,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,117.70 : 2,425,232.55 = 671,000.90 : x
  2. Step 2: Convert to fraction form
    1,618,117.70/2,425,232.55 = 671,000.90/x
  3. Step 3: Cross multiply
    1,618,117.70x = 2,425,232.55 × 671,000.90
  4. Step 4: Simplify right side
    1,618,117.70x = 1,627,333,223,759.30
  5. Step 5: Solve for x
    x = 1,627,333,223,759.30/1,618,117.70
  6. Step 6: Final answer
    x = 1,005,695.21

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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.