Home / 1,319,628.46-1,980,437.64-965,555.86

Finding the Fourth Proportional to 1,319,628.46, 1,980,437.64 and 965,555.86

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Solution

The fourth proportional to 1,319,628.46, 1,980,437.64 and 965,555.86 is: 1,449,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,628.46 : 1,980,437.64 = 965,555.86 : x
  2. Step 2: Convert to fraction form
    1,319,628.46/1,980,437.64 = 965,555.86/x
  3. Step 3: Cross multiply
    1,319,628.46x = 1,980,437.64 × 965,555.86
  4. Step 4: Simplify right side
    1,319,628.46x = 1,912,223,168,666.57
  5. Step 5: Solve for x
    x = 1,912,223,168,666.57/1,319,628.46
  6. Step 6: Final answer
    x = 1,449,061.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.