Home / 1,501,672.76-2,072,308.78-822,633.40

Finding the Fourth Proportional to 1,501,672.76, 2,072,308.78 and 822,633.40

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Solution

The fourth proportional to 1,501,672.76, 2,072,308.78 and 822,633.40 is: 1,135,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,672.76 : 2,072,308.78 = 822,633.40 : x
  2. Step 2: Convert to fraction form
    1,501,672.76/2,072,308.78 = 822,633.40/x
  3. Step 3: Cross multiply
    1,501,672.76x = 2,072,308.78 × 822,633.40
  4. Step 4: Simplify right side
    1,501,672.76x = 1,704,750,417,541.25
  5. Step 5: Solve for x
    x = 1,704,750,417,541.25/1,501,672.76
  6. Step 6: Final answer
    x = 1,135,234.30

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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.