Home / 1,297,775.84-1,790,753.72-724,742.96

Finding the Fourth Proportional to 1,297,775.84, 1,790,753.72 and 724,742.96

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Solution

The fourth proportional to 1,297,775.84, 1,790,753.72 and 724,742.96 is: 1,000,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,775.84 : 1,790,753.72 = 724,742.96 : x
  2. Step 2: Convert to fraction form
    1,297,775.84/1,790,753.72 = 724,742.96/x
  3. Step 3: Cross multiply
    1,297,775.84x = 1,790,753.72 × 724,742.96
  4. Step 4: Simplify right side
    1,297,775.84x = 1,297,836,151,663.81
  5. Step 5: Solve for x
    x = 1,297,836,151,663.81/1,297,775.84
  6. Step 6: Final answer
    x = 1,000,046.47

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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.