Home / 1,266,448.86-1,747,634.28-693,378.18

Finding the Fourth Proportional to 1,266,448.86, 1,747,634.28 and 693,378.18

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Solution

The fourth proportional to 1,266,448.86, 1,747,634.28 and 693,378.18 is: 956,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,448.86 : 1,747,634.28 = 693,378.18 : x
  2. Step 2: Convert to fraction form
    1,266,448.86/1,747,634.28 = 693,378.18/x
  3. Step 3: Cross multiply
    1,266,448.86x = 1,747,634.28 × 693,378.18
  4. Step 4: Simplify right side
    1,266,448.86x = 1,211,771,476,372.01
  5. Step 5: Solve for x
    x = 1,211,771,476,372.01/1,266,448.86
  6. Step 6: Final answer
    x = 956,826.22

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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.