Home / 1,243,267.40-1,715,706.50-699,403.57

Finding the Fourth Proportional to 1,243,267.40, 1,715,706.50 and 699,403.57

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Solution

The fourth proportional to 1,243,267.40, 1,715,706.50 and 699,403.57 is: 965,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,267.40 : 1,715,706.50 = 699,403.57 : x
  2. Step 2: Convert to fraction form
    1,243,267.40/1,715,706.50 = 699,403.57/x
  3. Step 3: Cross multiply
    1,243,267.40x = 1,715,706.50 × 699,403.57
  4. Step 4: Simplify right side
    1,243,267.40x = 1,199,971,243,385.92
  5. Step 5: Solve for x
    x = 1,199,971,243,385.92/1,243,267.40
  6. Step 6: Final answer
    x = 965,175.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.