Home / 1,330,656.32-1,836,323.30-757,698.80

Finding the Fourth Proportional to 1,330,656.32, 1,836,323.30 and 757,698.80

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Solution

The fourth proportional to 1,330,656.32, 1,836,323.30 and 757,698.80 is: 1,045,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,656.32 : 1,836,323.30 = 757,698.80 : x
  2. Step 2: Convert to fraction form
    1,330,656.32/1,836,323.30 = 757,698.80/x
  3. Step 3: Cross multiply
    1,330,656.32x = 1,836,323.30 × 757,698.80
  4. Step 4: Simplify right side
    1,330,656.32x = 1,391,379,960,822.04
  5. Step 5: Solve for x
    x = 1,391,379,960,822.04/1,330,656.32
  6. Step 6: Final answer
    x = 1,045,634.35

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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.