Home / 1,030,521.26-1,422,142.12-571,620.88

Finding the Fourth Proportional to 1,030,521.26, 1,422,142.12 and 571,620.88

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Solution

The fourth proportional to 1,030,521.26, 1,422,142.12 and 571,620.88 is: 788,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,521.26 : 1,422,142.12 = 571,620.88 : x
  2. Step 2: Convert to fraction form
    1,030,521.26/1,422,142.12 = 571,620.88/x
  3. Step 3: Cross multiply
    1,030,521.26x = 1,422,142.12 × 571,620.88
  4. Step 4: Simplify right side
    1,030,521.26x = 812,926,130,119.47
  5. Step 5: Solve for x
    x = 812,926,130,119.47/1,030,521.26
  6. Step 6: Final answer
    x = 788,849.45

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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.