Home / 1,677,347.50-2,314,836.72-1,263,142.78

Finding the Fourth Proportional to 1,677,347.50, 2,314,836.72 and 1,263,142.78

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Solution

The fourth proportional to 1,677,347.50, 2,314,836.72 and 1,263,142.78 is: 1,743,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,347.50 : 2,314,836.72 = 1,263,142.78 : x
  2. Step 2: Convert to fraction form
    1,677,347.50/2,314,836.72 = 1,263,142.78/x
  3. Step 3: Cross multiply
    1,677,347.50x = 2,314,836.72 × 1,263,142.78
  4. Step 4: Simplify right side
    1,677,347.50x = 2,923,969,289,746.88
  5. Step 5: Solve for x
    x = 2,923,969,289,746.88/1,677,347.50
  6. Step 6: Final answer
    x = 1,743,210.21

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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.