Home / 1,581,798.30-2,182,921.61-970,288.26

Finding the Fourth Proportional to 1,581,798.30, 2,182,921.61 and 970,288.26

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Solution

The fourth proportional to 1,581,798.30, 2,182,921.61 and 970,288.26 is: 1,339,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,798.30 : 2,182,921.61 = 970,288.26 : x
  2. Step 2: Convert to fraction form
    1,581,798.30/2,182,921.61 = 970,288.26/x
  3. Step 3: Cross multiply
    1,581,798.30x = 2,182,921.61 × 970,288.26
  4. Step 4: Simplify right side
    1,581,798.30x = 2,118,063,210,683.30
  5. Step 5: Solve for x
    x = 2,118,063,210,683.30/1,581,798.30
  6. Step 6: Final answer
    x = 1,339,022.31

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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.