Home / 1,389,368.73-2,084,053.10-392,096.73

Finding the Fourth Proportional to 1,389,368.73, 2,084,053.10 and 392,096.73

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Solution

The fourth proportional to 1,389,368.73, 2,084,053.10 and 392,096.73 is: 588,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,368.73 : 2,084,053.10 = 392,096.73 : x
  2. Step 2: Convert to fraction form
    1,389,368.73/2,084,053.10 = 392,096.73/x
  3. Step 3: Cross multiply
    1,389,368.73x = 2,084,053.10 × 392,096.73
  4. Step 4: Simplify right side
    1,389,368.73x = 817,150,405,656.36
  5. Step 5: Solve for x
    x = 817,150,405,656.36/1,389,368.73
  6. Step 6: Final answer
    x = 588,145.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.