Home / 1,395,440.46-2,090,358.09-636,237.59

Finding the Fourth Proportional to 1,395,440.46, 2,090,358.09 and 636,237.59

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Solution

The fourth proportional to 1,395,440.46, 2,090,358.09 and 636,237.59 is: 953,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,440.46 : 2,090,358.09 = 636,237.59 : x
  2. Step 2: Convert to fraction form
    1,395,440.46/2,090,358.09 = 636,237.59/x
  3. Step 3: Cross multiply
    1,395,440.46x = 2,090,358.09 × 636,237.59
  4. Step 4: Simplify right side
    1,395,440.46x = 1,329,964,382,966.81
  5. Step 5: Solve for x
    x = 1,329,964,382,966.81/1,395,440.46
  6. Step 6: Final answer
    x = 953,078.56

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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.