Home / 1,609,762.94-2,220,988.42-964,947.86

Finding the Fourth Proportional to 1,609,762.94, 2,220,988.42 and 964,947.86

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Solution

The fourth proportional to 1,609,762.94, 2,220,988.42 and 964,947.86 is: 1,331,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,762.94 : 2,220,988.42 = 964,947.86 : x
  2. Step 2: Convert to fraction form
    1,609,762.94/2,220,988.42 = 964,947.86/x
  3. Step 3: Cross multiply
    1,609,762.94x = 2,220,988.42 × 964,947.86
  4. Step 4: Simplify right side
    1,609,762.94x = 2,143,138,022,963.78
  5. Step 5: Solve for x
    x = 2,143,138,022,963.78/1,609,762.94
  6. Step 6: Final answer
    x = 1,331,337.66

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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.