Home / 1,443,761.64-2,164,894.86-769,661.88

Finding the Fourth Proportional to 1,443,761.64, 2,164,894.86 and 769,661.88

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Solution

The fourth proportional to 1,443,761.64, 2,164,894.86 and 769,661.88 is: 1,154,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,761.64 : 2,164,894.86 = 769,661.88 : x
  2. Step 2: Convert to fraction form
    1,443,761.64/2,164,894.86 = 769,661.88/x
  3. Step 3: Cross multiply
    1,443,761.64x = 2,164,894.86 × 769,661.88
  4. Step 4: Simplify right side
    1,443,761.64x = 1,666,237,047,949.94
  5. Step 5: Solve for x
    x = 1,666,237,047,949.94/1,443,761.64
  6. Step 6: Final answer
    x = 1,154,094.28

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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.