Home / 1,297,485.60-1,790,532.72-724,524

Finding the Fourth Proportional to 1,297,485.60, 1,790,532.72 and 724,524

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Solution

The fourth proportional to 1,297,485.60, 1,790,532.72 and 724,524 is: 999,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,485.60 : 1,790,532.72 = 724,524 : x
  2. Step 2: Convert to fraction form
    1,297,485.60/1,790,532.72 = 724,524/x
  3. Step 3: Cross multiply
    1,297,485.60x = 1,790,532.72 × 724,524
  4. Step 4: Simplify right side
    1,297,485.60x = 1,297,283,928,425.28
  5. Step 5: Solve for x
    x = 1,297,283,928,425.28/1,297,485.60
  6. Step 6: Final answer
    x = 999,844.57

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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.