Home / 1,501,418.18-2,072,156.64-856,690.58

Finding the Fourth Proportional to 1,501,418.18, 2,072,156.64 and 856,690.58

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Solution

The fourth proportional to 1,501,418.18, 2,072,156.64 and 856,690.58 is: 1,182,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,418.18 : 2,072,156.64 = 856,690.58 : x
  2. Step 2: Convert to fraction form
    1,501,418.18/2,072,156.64 = 856,690.58/x
  3. Step 3: Cross multiply
    1,501,418.18x = 2,072,156.64 × 856,690.58
  4. Step 4: Simplify right side
    1,501,418.18x = 1,775,197,073,772.45
  5. Step 5: Solve for x
    x = 1,775,197,073,772.45/1,501,418.18
  6. Step 6: Final answer
    x = 1,182,346.86

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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.