Home / 1,455,072.60-2,182,608.90-1,399,085.40

Finding the Fourth Proportional to 1,455,072.60, 2,182,608.90 and 1,399,085.40

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Solution

The fourth proportional to 1,455,072.60, 2,182,608.90 and 1,399,085.40 is: 2,098,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,072.60 : 2,182,608.90 = 1,399,085.40 : x
  2. Step 2: Convert to fraction form
    1,455,072.60/2,182,608.90 = 1,399,085.40/x
  3. Step 3: Cross multiply
    1,455,072.60x = 2,182,608.90 × 1,399,085.40
  4. Step 4: Simplify right side
    1,455,072.60x = 3,053,656,245,900.06
  5. Step 5: Solve for x
    x = 3,053,656,245,900.06/1,455,072.60
  6. Step 6: Final answer
    x = 2,098,628.10

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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.