Home / 965,416.80-1,448,125.20-903,208.80

Finding the Fourth Proportional to 965,416.80, 1,448,125.20 and 903,208.80

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Solution

The fourth proportional to 965,416.80, 1,448,125.20 and 903,208.80 is: 1,354,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,416.80 : 1,448,125.20 = 903,208.80 : x
  2. Step 2: Convert to fraction form
    965,416.80/1,448,125.20 = 903,208.80/x
  3. Step 3: Cross multiply
    965,416.80x = 1,448,125.20 × 903,208.80
  4. Step 4: Simplify right side
    965,416.80x = 1,307,959,424,141.76
  5. Step 5: Solve for x
    x = 1,307,959,424,141.76/965,416.80
  6. Step 6: Final answer
    x = 1,354,813.20

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Double scale
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Similar ratio
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1.5x scale

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.