Home / 1,730,439.37-2,387,992.75-1,005,711.31

Finding the Fourth Proportional to 1,730,439.37, 2,387,992.75 and 1,005,711.31

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Solution

The fourth proportional to 1,730,439.37, 2,387,992.75 and 1,005,711.31 is: 1,387,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730,439.37 : 2,387,992.75 = 1,005,711.31 : x
  2. Step 2: Convert to fraction form
    1,730,439.37/2,387,992.75 = 1,005,711.31/x
  3. Step 3: Cross multiply
    1,730,439.37x = 2,387,992.75 × 1,005,711.31
  4. Step 4: Simplify right side
    1,730,439.37x = 2,401,631,316,873.00
  5. Step 5: Solve for x
    x = 2,401,631,316,873.00/1,730,439.37
  6. Step 6: Final answer
    x = 1,387,873.71

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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.