Home / 1,375,821.32-1,898,570.00-764,013.13

Finding the Fourth Proportional to 1,375,821.32, 1,898,570.00 and 764,013.13

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Solution

The fourth proportional to 1,375,821.32, 1,898,570.00 and 764,013.13 is: 1,054,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,821.32 : 1,898,570.00 = 764,013.13 : x
  2. Step 2: Convert to fraction form
    1,375,821.32/1,898,570.00 = 764,013.13/x
  3. Step 3: Cross multiply
    1,375,821.32x = 1,898,570.00 × 764,013.13
  4. Step 4: Simplify right side
    1,375,821.32x = 1,450,532,405,387.71
  5. Step 5: Solve for x
    x = 1,450,532,405,387.71/1,375,821.32
  6. Step 6: Final answer
    x = 1,054,302.90

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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.