Home / 1,485,333.76-2,049,186.40-840,606.08

Finding the Fourth Proportional to 1,485,333.76, 2,049,186.40 and 840,606.08

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Solution

The fourth proportional to 1,485,333.76, 2,049,186.40 and 840,606.08 is: 1,159,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,333.76 : 2,049,186.40 = 840,606.08 : x
  2. Step 2: Convert to fraction form
    1,485,333.76/2,049,186.40 = 840,606.08/x
  3. Step 3: Cross multiply
    1,485,333.76x = 2,049,186.40 × 840,606.08
  4. Step 4: Simplify right side
    1,485,333.76x = 1,722,558,546,893.31
  5. Step 5: Solve for x
    x = 1,722,558,546,893.31/1,485,333.76
  6. Step 6: Final answer
    x = 1,159,711.44

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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.