Home / 1,563,562.80-2,157,769.44-918,973.80

Finding the Fourth Proportional to 1,563,562.80, 2,157,769.44 and 918,973.80

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Solution

The fourth proportional to 1,563,562.80, 2,157,769.44 and 918,973.80 is: 1,268,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,562.80 : 2,157,769.44 = 918,973.80 : x
  2. Step 2: Convert to fraction form
    1,563,562.80/2,157,769.44 = 918,973.80/x
  3. Step 3: Cross multiply
    1,563,562.80x = 2,157,769.44 × 918,973.80
  4. Step 4: Simplify right side
    1,563,562.80x = 1,982,933,581,800.67
  5. Step 5: Solve for x
    x = 1,982,933,581,800.67/1,563,562.80
  6. Step 6: Final answer
    x = 1,268,214.86

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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.