Home / 1,851,420.60-2,775,287.70-852,406.20

Finding the Fourth Proportional to 1,851,420.60, 2,775,287.70 and 852,406.20

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Solution

The fourth proportional to 1,851,420.60, 2,775,287.70 and 852,406.20 is: 1,277,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,420.60 : 2,775,287.70 = 852,406.20 : x
  2. Step 2: Convert to fraction form
    1,851,420.60/2,775,287.70 = 852,406.20/x
  3. Step 3: Cross multiply
    1,851,420.60x = 2,775,287.70 × 852,406.20
  4. Step 4: Simplify right side
    1,851,420.60x = 2,365,672,442,263.74
  5. Step 5: Solve for x
    x = 2,365,672,442,263.74/1,851,420.60
  6. Step 6: Final answer
    x = 1,277,760.68

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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.