Home / 1,501,475.36-2,072,069.68-856,882.72

Finding the Fourth Proportional to 1,501,475.36, 2,072,069.68 and 856,882.72

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Solution

The fourth proportional to 1,501,475.36, 2,072,069.68 and 856,882.72 is: 1,182,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,475.36 : 2,072,069.68 = 856,882.72 : x
  2. Step 2: Convert to fraction form
    1,501,475.36/2,072,069.68 = 856,882.72/x
  3. Step 3: Cross multiply
    1,501,475.36x = 2,072,069.68 × 856,882.72
  4. Step 4: Simplify right side
    1,501,475.36x = 1,775,520,703,427.93
  5. Step 5: Solve for x
    x = 1,775,520,703,427.93/1,501,475.36
  6. Step 6: Final answer
    x = 1,182,517.38

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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.