Home / 1,501,505.10-2,072,077.20-822,441.60

Finding the Fourth Proportional to 1,501,505.10, 2,072,077.20 and 822,441.60

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Solution

The fourth proportional to 1,501,505.10, 2,072,077.20 and 822,441.60 is: 1,134,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,505.10 : 2,072,077.20 = 822,441.60 : x
  2. Step 2: Convert to fraction form
    1,501,505.10/2,072,077.20 = 822,441.60/x
  3. Step 3: Cross multiply
    1,501,505.10x = 2,072,077.20 × 822,441.60
  4. Step 4: Simplify right side
    1,501,505.10x = 1,704,162,487,691.52
  5. Step 5: Solve for x
    x = 1,704,162,487,691.52/1,501,505.10
  6. Step 6: Final answer
    x = 1,134,969.50

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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.