Home / 1,243,372.84-1,715,701.20-784,314.16

Finding the Fourth Proportional to 1,243,372.84, 1,715,701.20 and 784,314.16

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Solution

The fourth proportional to 1,243,372.84, 1,715,701.20 and 784,314.16 is: 1,082,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,372.84 : 1,715,701.20 = 784,314.16 : x
  2. Step 2: Convert to fraction form
    1,243,372.84/1,715,701.20 = 784,314.16/x
  3. Step 3: Cross multiply
    1,243,372.84x = 1,715,701.20 × 784,314.16
  4. Step 4: Simplify right side
    1,243,372.84x = 1,345,648,745,488.99
  5. Step 5: Solve for x
    x = 1,345,648,745,488.99/1,243,372.84
  6. Step 6: Final answer
    x = 1,082,256.83

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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.