Home / 1,689,368.28-2,534,426.09-930,819.29

Finding the Fourth Proportional to 1,689,368.28, 2,534,426.09 and 930,819.29

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Solution

The fourth proportional to 1,689,368.28, 2,534,426.09 and 930,819.29 is: 1,396,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,368.28 : 2,534,426.09 = 930,819.29 : x
  2. Step 2: Convert to fraction form
    1,689,368.28/2,534,426.09 = 930,819.29/x
  3. Step 3: Cross multiply
    1,689,368.28x = 2,534,426.09 × 930,819.29
  4. Step 4: Simplify right side
    1,689,368.28x = 2,359,092,676,325.05
  5. Step 5: Solve for x
    x = 2,359,092,676,325.05/1,689,368.28
  6. Step 6: Final answer
    x = 1,396,434.81

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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.