Home / 1,426,811.52-1,968,999.42-782,217.87

Finding the Fourth Proportional to 1,426,811.52, 1,968,999.42 and 782,217.87

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Solution

The fourth proportional to 1,426,811.52, 1,968,999.42 and 782,217.87 is: 1,079,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,811.52 : 1,968,999.42 = 782,217.87 : x
  2. Step 2: Convert to fraction form
    1,426,811.52/1,968,999.42 = 782,217.87/x
  3. Step 3: Cross multiply
    1,426,811.52x = 1,968,999.42 × 782,217.87
  4. Step 4: Simplify right side
    1,426,811.52x = 1,540,186,532,343.64
  5. Step 5: Solve for x
    x = 1,540,186,532,343.64/1,426,811.52
  6. Step 6: Final answer
    x = 1,079,460.40

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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.