Home / 1,580,213.36-2,178,635.64-1,007,044.40

Finding the Fourth Proportional to 1,580,213.36, 2,178,635.64 and 1,007,044.40

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Solution

The fourth proportional to 1,580,213.36, 2,178,635.64 and 1,007,044.40 is: 1,388,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,213.36 : 2,178,635.64 = 1,007,044.40 : x
  2. Step 2: Convert to fraction form
    1,580,213.36/2,178,635.64 = 1,007,044.40/x
  3. Step 3: Cross multiply
    1,580,213.36x = 2,178,635.64 × 1,007,044.40
  4. Step 4: Simplify right side
    1,580,213.36x = 2,193,982,820,902.42
  5. Step 5: Solve for x
    x = 2,193,982,820,902.42/1,580,213.36
  6. Step 6: Final answer
    x = 1,388,409.23

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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.