Home / 1,263,934.40-1,744,104.13-720,037.77

Finding the Fourth Proportional to 1,263,934.40, 1,744,104.13 and 720,037.77

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Solution

The fourth proportional to 1,263,934.40, 1,744,104.13 and 720,037.77 is: 993,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,934.40 : 1,744,104.13 = 720,037.77 : x
  2. Step 2: Convert to fraction form
    1,263,934.40/1,744,104.13 = 720,037.77/x
  3. Step 3: Cross multiply
    1,263,934.40x = 1,744,104.13 × 720,037.77
  4. Step 4: Simplify right side
    1,263,934.40x = 1,255,820,840,072.51
  5. Step 5: Solve for x
    x = 1,255,820,840,072.51/1,263,934.40
  6. Step 6: Final answer
    x = 993,580.72

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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.