Home / 1,373,661.84-1,896,048.72-829,711.20

Finding the Fourth Proportional to 1,373,661.84, 1,896,048.72 and 829,711.20

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Solution

The fourth proportional to 1,373,661.84, 1,896,048.72 and 829,711.20 is: 1,145,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,661.84 : 1,896,048.72 = 829,711.20 : x
  2. Step 2: Convert to fraction form
    1,373,661.84/1,896,048.72 = 829,711.20/x
  3. Step 3: Cross multiply
    1,373,661.84x = 1,896,048.72 × 829,711.20
  4. Step 4: Simplify right side
    1,373,661.84x = 1,573,172,858,729.66
  5. Step 5: Solve for x
    x = 1,573,172,858,729.66/1,373,661.84
  6. Step 6: Final answer
    x = 1,145,240.27

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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.