Home / 1,030,572.64-1,422,204.24-771,991.48

Finding the Fourth Proportional to 1,030,572.64, 1,422,204.24 and 771,991.48

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Solution

The fourth proportional to 1,030,572.64, 1,422,204.24 and 771,991.48 is: 1,065,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,572.64 : 1,422,204.24 = 771,991.48 : x
  2. Step 2: Convert to fraction form
    1,030,572.64/1,422,204.24 = 771,991.48/x
  3. Step 3: Cross multiply
    1,030,572.64x = 1,422,204.24 × 771,991.48
  4. Step 4: Simplify right side
    1,030,572.64x = 1,097,929,556,099.88
  5. Step 5: Solve for x
    x = 1,097,929,556,099.88/1,030,572.64
  6. Step 6: Final answer
    x = 1,065,358.73

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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.