Home / 829,852.40-1,244,778.60-740,622.80

Finding the Fourth Proportional to 829,852.40, 1,244,778.60 and 740,622.80

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Solution

The fourth proportional to 829,852.40, 1,244,778.60 and 740,622.80 is: 1,110,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,852.40 : 1,244,778.60 = 740,622.80 : x
  2. Step 2: Convert to fraction form
    829,852.40/1,244,778.60 = 740,622.80/x
  3. Step 3: Cross multiply
    829,852.40x = 1,244,778.60 × 740,622.80
  4. Step 4: Simplify right side
    829,852.40x = 921,911,412,112.08
  5. Step 5: Solve for x
    x = 921,911,412,112.08/829,852.40
  6. Step 6: Final answer
    x = 1,110,934.20

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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.