Home / 1,114,945.20-1,538,598.48-649,769.28

Finding the Fourth Proportional to 1,114,945.20, 1,538,598.48 and 649,769.28

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Solution

The fourth proportional to 1,114,945.20, 1,538,598.48 and 649,769.28 is: 896,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,945.20 : 1,538,598.48 = 649,769.28 : x
  2. Step 2: Convert to fraction form
    1,114,945.20/1,538,598.48 = 649,769.28/x
  3. Step 3: Cross multiply
    1,114,945.20x = 1,538,598.48 × 649,769.28
  4. Step 4: Simplify right side
    1,114,945.20x = 999,734,026,558.70
  5. Step 5: Solve for x
    x = 999,734,026,558.70/1,114,945.20
  6. Step 6: Final answer
    x = 896,666.51

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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.