Home / 1,387,001.58-1,913,534.64-1,025,293.65

Finding the Fourth Proportional to 1,387,001.58, 1,913,534.64 and 1,025,293.65

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Solution

The fourth proportional to 1,387,001.58, 1,913,534.64 and 1,025,293.65 is: 1,414,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,001.58 : 1,913,534.64 = 1,025,293.65 : x
  2. Step 2: Convert to fraction form
    1,387,001.58/1,913,534.64 = 1,025,293.65/x
  3. Step 3: Cross multiply
    1,387,001.58x = 1,913,534.64 × 1,025,293.65
  4. Step 4: Simplify right side
    1,387,001.58x = 1,961,934,915,447.04
  5. Step 5: Solve for x
    x = 1,961,934,915,447.04/1,387,001.58
  6. Step 6: Final answer
    x = 1,414,515.27

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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.