Home / 1,266,289.32-1,747,478.94-693,329.34

Finding the Fourth Proportional to 1,266,289.32, 1,747,478.94 and 693,329.34

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Solution

The fourth proportional to 1,266,289.32, 1,747,478.94 and 693,329.34 is: 956,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,289.32 : 1,747,478.94 = 693,329.34 : x
  2. Step 2: Convert to fraction form
    1,266,289.32/1,747,478.94 = 693,329.34/x
  3. Step 3: Cross multiply
    1,266,289.32x = 1,747,478.94 × 693,329.34
  4. Step 4: Simplify right side
    1,266,289.32x = 1,211,578,420,134.10
  5. Step 5: Solve for x
    x = 1,211,578,420,134.10/1,266,289.32
  6. Step 6: Final answer
    x = 956,794.31

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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.