Home / 1,690,186.88-2,332,681.26-964,870.76

Finding the Fourth Proportional to 1,690,186.88, 2,332,681.26 and 964,870.76

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Solution

The fourth proportional to 1,690,186.88, 2,332,681.26 and 964,870.76 is: 1,331,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,186.88 : 2,332,681.26 = 964,870.76 : x
  2. Step 2: Convert to fraction form
    1,690,186.88/2,332,681.26 = 964,870.76/x
  3. Step 3: Cross multiply
    1,690,186.88x = 2,332,681.26 × 964,870.76
  4. Step 4: Simplify right side
    1,690,186.88x = 2,250,735,940,173.96
  5. Step 5: Solve for x
    x = 2,250,735,940,173.96/1,690,186.88
  6. Step 6: Final answer
    x = 1,331,649.16

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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.