Home / 1,000,235.67-1,503,604.85-802,720.41

Finding the Fourth Proportional to 1,000,235.67, 1,503,604.85 and 802,720.41

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Solution

The fourth proportional to 1,000,235.67, 1,503,604.85 and 802,720.41 is: 1,206,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,235.67 : 1,503,604.85 = 802,720.41 : x
  2. Step 2: Convert to fraction form
    1,000,235.67/1,503,604.85 = 802,720.41/x
  3. Step 3: Cross multiply
    1,000,235.67x = 1,503,604.85 × 802,720.41
  4. Step 4: Simplify right side
    1,000,235.67x = 1,206,974,297,656.39
  5. Step 5: Solve for x
    x = 1,206,974,297,656.39/1,000,235.67
  6. Step 6: Final answer
    x = 1,206,689.92

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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.