Home / 1,210,130.10-1,815,195.15-1,015,268.40

Finding the Fourth Proportional to 1,210,130.10, 1,815,195.15 and 1,015,268.40

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Solution

The fourth proportional to 1,210,130.10, 1,815,195.15 and 1,015,268.40 is: 1,522,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,130.10 : 1,815,195.15 = 1,015,268.40 : x
  2. Step 2: Convert to fraction form
    1,210,130.10/1,815,195.15 = 1,015,268.40/x
  3. Step 3: Cross multiply
    1,210,130.10x = 1,815,195.15 × 1,015,268.40
  4. Step 4: Simplify right side
    1,210,130.10x = 1,842,910,275,628.26
  5. Step 5: Solve for x
    x = 1,842,910,275,628.26/1,210,130.10
  6. Step 6: Final answer
    x = 1,522,902.60

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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.