Home / 1,111,114.02-1,666,769.46-312,402.48

Finding the Fourth Proportional to 1,111,114.02, 1,666,769.46 and 312,402.48

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Solution

The fourth proportional to 1,111,114.02, 1,666,769.46 and 312,402.48 is: 468,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,114.02 : 1,666,769.46 = 312,402.48 : x
  2. Step 2: Convert to fraction form
    1,111,114.02/1,666,769.46 = 312,402.48/x
  3. Step 3: Cross multiply
    1,111,114.02x = 1,666,769.46 × 312,402.48
  4. Step 4: Simplify right side
    1,111,114.02x = 520,702,912,892.26
  5. Step 5: Solve for x
    x = 520,702,912,892.26/1,111,114.02
  6. Step 6: Final answer
    x = 468,631.39

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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.