Home / 1,295,460.87-1,940,588.88-645,077.64

Finding the Fourth Proportional to 1,295,460.87, 1,940,588.88 and 645,077.64

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Solution

The fourth proportional to 1,295,460.87, 1,940,588.88 and 645,077.64 is: 966,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,460.87 : 1,940,588.88 = 645,077.64 : x
  2. Step 2: Convert to fraction form
    1,295,460.87/1,940,588.88 = 645,077.64/x
  3. Step 3: Cross multiply
    1,295,460.87x = 1,940,588.88 × 645,077.64
  4. Step 4: Simplify right side
    1,295,460.87x = 1,251,830,494,920.64
  5. Step 5: Solve for x
    x = 1,251,830,494,920.64/1,295,460.87
  6. Step 6: Final answer
    x = 966,320.58

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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.