Home / 1,419,830.20-1,959,445.02-775,310.20

Finding the Fourth Proportional to 1,419,830.20, 1,959,445.02 and 775,310.20

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Solution

The fourth proportional to 1,419,830.20, 1,959,445.02 and 775,310.20 is: 1,069,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,830.20 : 1,959,445.02 = 775,310.20 : x
  2. Step 2: Convert to fraction form
    1,419,830.20/1,959,445.02 = 775,310.20/x
  3. Step 3: Cross multiply
    1,419,830.20x = 1,959,445.02 × 775,310.20
  4. Step 4: Simplify right side
    1,419,830.20x = 1,519,177,710,345.20
  5. Step 5: Solve for x
    x = 1,519,177,710,345.20/1,419,830.20
  6. Step 6: Final answer
    x = 1,069,971.40

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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.