Home / 1,267,952.45-1,749,953.79-784,673.24

Finding the Fourth Proportional to 1,267,952.45, 1,749,953.79 and 784,673.24

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Solution

The fourth proportional to 1,267,952.45, 1,749,953.79 and 784,673.24 is: 1,082,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,952.45 : 1,749,953.79 = 784,673.24 : x
  2. Step 2: Convert to fraction form
    1,267,952.45/1,749,953.79 = 784,673.24/x
  3. Step 3: Cross multiply
    1,267,952.45x = 1,749,953.79 × 784,673.24
  4. Step 4: Simplify right side
    1,267,952.45x = 1,373,141,901,499.81
  5. Step 5: Solve for x
    x = 1,373,141,901,499.81/1,267,952.45
  6. Step 6: Final answer
    x = 1,082,960.10

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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.