Home / 1,689,050.40-2,331,057.15-964,007.97

Finding the Fourth Proportional to 1,689,050.40, 2,331,057.15 and 964,007.97

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Solution

The fourth proportional to 1,689,050.40, 2,331,057.15 and 964,007.97 is: 1,330,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,050.40 : 2,331,057.15 = 964,007.97 : x
  2. Step 2: Convert to fraction form
    1,689,050.40/2,331,057.15 = 964,007.97/x
  3. Step 3: Cross multiply
    1,689,050.40x = 2,331,057.15 × 964,007.97
  4. Step 4: Simplify right side
    1,689,050.40x = 2,247,157,671,125.49
  5. Step 5: Solve for x
    x = 2,247,157,671,125.49/1,689,050.40
  6. Step 6: Final answer
    x = 1,330,426.65

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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.