Home / 1,689,739.46-2,331,751.28-964,558.34

Finding the Fourth Proportional to 1,689,739.46, 2,331,751.28 and 964,558.34

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Solution

The fourth proportional to 1,689,739.46, 2,331,751.28 and 964,558.34 is: 1,331,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,739.46 : 2,331,751.28 = 964,558.34 : x
  2. Step 2: Convert to fraction form
    1,689,739.46/2,331,751.28 = 964,558.34/x
  3. Step 3: Cross multiply
    1,689,739.46x = 2,331,751.28 × 964,558.34
  4. Step 4: Simplify right side
    1,689,739.46x = 2,249,110,143,929.67
  5. Step 5: Solve for x
    x = 2,249,110,143,929.67/1,689,739.46
  6. Step 6: Final answer
    x = 1,331,039.61

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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.