Home / 1,457,157.85-2,010,879.89-803,769.28

Finding the Fourth Proportional to 1,457,157.85, 2,010,879.89 and 803,769.28

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Solution

The fourth proportional to 1,457,157.85, 2,010,879.89 and 803,769.28 is: 1,109,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,157.85 : 2,010,879.89 = 803,769.28 : x
  2. Step 2: Convert to fraction form
    1,457,157.85/2,010,879.89 = 803,769.28/x
  3. Step 3: Cross multiply
    1,457,157.85x = 2,010,879.89 × 803,769.28
  4. Step 4: Simplify right side
    1,457,157.85x = 1,616,283,481,351.78
  5. Step 5: Solve for x
    x = 1,616,283,481,351.78/1,457,157.85
  6. Step 6: Final answer
    x = 1,109,202.74

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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.