Home / 1,576,415.76-2,364,955.73-511,374.66

Finding the Fourth Proportional to 1,576,415.76, 2,364,955.73 and 511,374.66

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Solution

The fourth proportional to 1,576,415.76, 2,364,955.73 and 511,374.66 is: 767,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,415.76 : 2,364,955.73 = 511,374.66 : x
  2. Step 2: Convert to fraction form
    1,576,415.76/2,364,955.73 = 511,374.66/x
  3. Step 3: Cross multiply
    1,576,415.76x = 2,364,955.73 × 511,374.66
  4. Step 4: Simplify right side
    1,576,415.76x = 1,209,378,432,343.80
  5. Step 5: Solve for x
    x = 1,209,378,432,343.80/1,576,415.76
  6. Step 6: Final answer
    x = 767,169.72

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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.