Home / 1,378,059.65-1,901,672.55-757,859.47

Finding the Fourth Proportional to 1,378,059.65, 1,901,672.55 and 757,859.47

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Solution

The fourth proportional to 1,378,059.65, 1,901,672.55 and 757,859.47 is: 1,045,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,059.65 : 1,901,672.55 = 757,859.47 : x
  2. Step 2: Convert to fraction form
    1,378,059.65/1,901,672.55 = 757,859.47/x
  3. Step 3: Cross multiply
    1,378,059.65x = 1,901,672.55 × 757,859.47
  4. Step 4: Simplify right side
    1,378,059.65x = 1,441,200,553,265.41
  5. Step 5: Solve for x
    x = 1,441,200,553,265.41/1,378,059.65
  6. Step 6: Final answer
    x = 1,045,818.70

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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.