Home / 992,556.60-1,490,217.30-619,308.60

Finding the Fourth Proportional to 992,556.60, 1,490,217.30 and 619,308.60

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Solution

The fourth proportional to 992,556.60, 1,490,217.30 and 619,308.60 is: 929,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,556.60 : 1,490,217.30 = 619,308.60 : x
  2. Step 2: Convert to fraction form
    992,556.60/1,490,217.30 = 619,308.60/x
  3. Step 3: Cross multiply
    992,556.60x = 1,490,217.30 × 619,308.60
  4. Step 4: Simplify right side
    992,556.60x = 922,904,389,758.78
  5. Step 5: Solve for x
    x = 922,904,389,758.78/992,556.60
  6. Step 6: Final answer
    x = 929,825.45

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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.