Home / 1,375,609.92-1,898,400.98-763,762.71

Finding the Fourth Proportional to 1,375,609.92, 1,898,400.98 and 763,762.71

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Solution

The fourth proportional to 1,375,609.92, 1,898,400.98 and 763,762.71 is: 1,054,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,609.92 : 1,898,400.98 = 763,762.71 : x
  2. Step 2: Convert to fraction form
    1,375,609.92/1,898,400.98 = 763,762.71/x
  3. Step 3: Cross multiply
    1,375,609.92x = 1,898,400.98 × 763,762.71
  4. Step 4: Simplify right side
    1,375,609.92x = 1,449,927,873,332.64
  5. Step 5: Solve for x
    x = 1,449,927,873,332.64/1,375,609.92
  6. Step 6: Final answer
    x = 1,054,025.46

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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.