Home / 1,375,886.84-1,898,687.04-764,023.64

Finding the Fourth Proportional to 1,375,886.84, 1,898,687.04 and 764,023.64

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Solution

The fourth proportional to 1,375,886.84, 1,898,687.04 and 764,023.64 is: 1,054,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,886.84 : 1,898,687.04 = 764,023.64 : x
  2. Step 2: Convert to fraction form
    1,375,886.84/1,898,687.04 = 764,023.64/x
  3. Step 3: Cross multiply
    1,375,886.84x = 1,898,687.04 × 764,023.64
  4. Step 4: Simplify right side
    1,375,886.84x = 1,450,641,783,521.63
  5. Step 5: Solve for x
    x = 1,450,641,783,521.63/1,375,886.84
  6. Step 6: Final answer
    x = 1,054,332.19

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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.