Home / 1,267,943.42-1,749,941.35-784,664.21

Finding the Fourth Proportional to 1,267,943.42, 1,749,941.35 and 784,664.21

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Solution

The fourth proportional to 1,267,943.42, 1,749,941.35 and 784,664.21 is: 1,082,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,943.42 : 1,749,941.35 = 784,664.21 : x
  2. Step 2: Convert to fraction form
    1,267,943.42/1,749,941.35 = 784,664.21/x
  3. Step 3: Cross multiply
    1,267,943.42x = 1,749,941.35 × 784,664.21
  4. Step 4: Simplify right side
    1,267,943.42x = 1,373,116,349,357.28
  5. Step 5: Solve for x
    x = 1,373,116,349,357.28/1,267,943.42
  6. Step 6: Final answer
    x = 1,082,947.65

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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.