Home / 1,176,322.72-1,761,641.88-669,347.68

Finding the Fourth Proportional to 1,176,322.72, 1,761,641.88 and 669,347.68

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Solution

The fourth proportional to 1,176,322.72, 1,761,641.88 and 669,347.68 is: 1,002,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,322.72 : 1,761,641.88 = 669,347.68 : x
  2. Step 2: Convert to fraction form
    1,176,322.72/1,761,641.88 = 669,347.68/x
  3. Step 3: Cross multiply
    1,176,322.72x = 1,761,641.88 × 669,347.68
  4. Step 4: Simplify right side
    1,176,322.72x = 1,179,150,905,368.84
  5. Step 5: Solve for x
    x = 1,179,150,905,368.84/1,176,322.72
  6. Step 6: Final answer
    x = 1,002,404.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.