Home / 1,370,518.61-2,057,798.83-764,491.03

Finding the Fourth Proportional to 1,370,518.61, 2,057,798.83 and 764,491.03

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Solution

The fourth proportional to 1,370,518.61, 2,057,798.83 and 764,491.03 is: 1,147,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,518.61 : 2,057,798.83 = 764,491.03 : x
  2. Step 2: Convert to fraction form
    1,370,518.61/2,057,798.83 = 764,491.03/x
  3. Step 3: Cross multiply
    1,370,518.61x = 2,057,798.83 × 764,491.03
  4. Step 4: Simplify right side
    1,370,518.61x = 1,573,168,747,079.50
  5. Step 5: Solve for x
    x = 1,573,168,747,079.50/1,370,518.61
  6. Step 6: Final answer
    x = 1,147,863.83

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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.