Home / 1,602,745.86-2,211,789.87-877,639.56

Finding the Fourth Proportional to 1,602,745.86, 2,211,789.87 and 877,639.56

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Solution

The fourth proportional to 1,602,745.86, 2,211,789.87 and 877,639.56 is: 1,211,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,745.86 : 2,211,789.87 = 877,639.56 : x
  2. Step 2: Convert to fraction form
    1,602,745.86/2,211,789.87 = 877,639.56/x
  3. Step 3: Cross multiply
    1,602,745.86x = 2,211,789.87 × 877,639.56
  4. Step 4: Simplify right side
    1,602,745.86x = 1,941,154,288,319.26
  5. Step 5: Solve for x
    x = 1,941,154,288,319.26/1,602,745.86
  6. Step 6: Final answer
    x = 1,211,142.91

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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.