Home / 1,618,139.40-2,426,334.30-671,605.80

Finding the Fourth Proportional to 1,618,139.40, 2,426,334.30 and 671,605.80

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Solution

The fourth proportional to 1,618,139.40, 2,426,334.30 and 671,605.80 is: 1,007,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,139.40 : 2,426,334.30 = 671,605.80 : x
  2. Step 2: Convert to fraction form
    1,618,139.40/2,426,334.30 = 671,605.80/x
  3. Step 3: Cross multiply
    1,618,139.40x = 2,426,334.30 × 671,605.80
  4. Step 4: Simplify right side
    1,618,139.40x = 1,629,540,188,618.94
  5. Step 5: Solve for x
    x = 1,629,540,188,618.94/1,618,139.40
  6. Step 6: Final answer
    x = 1,007,045.62

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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.