Home / 1,405,853.55-1,940,074.40-761,273.71

Finding the Fourth Proportional to 1,405,853.55, 1,940,074.40 and 761,273.71

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Solution

The fourth proportional to 1,405,853.55, 1,940,074.40 and 761,273.71 is: 1,050,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,853.55 : 1,940,074.40 = 761,273.71 : x
  2. Step 2: Convert to fraction form
    1,405,853.55/1,940,074.40 = 761,273.71/x
  3. Step 3: Cross multiply
    1,405,853.55x = 1,940,074.40 × 761,273.71
  4. Step 4: Simplify right side
    1,405,853.55x = 1,476,927,633,217.02
  5. Step 5: Solve for x
    x = 1,476,927,633,217.02/1,405,853.55
  6. Step 6: Final answer
    x = 1,050,555.82

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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.