Home / 1,539,010.60-2,308,515.90-830,422.60

Finding the Fourth Proportional to 1,539,010.60, 2,308,515.90 and 830,422.60

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Solution

The fourth proportional to 1,539,010.60, 2,308,515.90 and 830,422.60 is: 1,245,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,010.60 : 2,308,515.90 = 830,422.60 : x
  2. Step 2: Convert to fraction form
    1,539,010.60/2,308,515.90 = 830,422.60/x
  3. Step 3: Cross multiply
    1,539,010.60x = 2,308,515.90 × 830,422.60
  4. Step 4: Simplify right side
    1,539,010.60x = 1,917,043,775,819.34
  5. Step 5: Solve for x
    x = 1,917,043,775,819.34/1,539,010.60
  6. Step 6: Final answer
    x = 1,245,633.90

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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.