Home / 1,509,140.55-2,082,612.47-864,563.31

Finding the Fourth Proportional to 1,509,140.55, 2,082,612.47 and 864,563.31

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Solution

The fourth proportional to 1,509,140.55, 2,082,612.47 and 864,563.31 is: 1,193,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,140.55 : 2,082,612.47 = 864,563.31 : x
  2. Step 2: Convert to fraction form
    1,509,140.55/2,082,612.47 = 864,563.31/x
  3. Step 3: Cross multiply
    1,509,140.55x = 2,082,612.47 × 864,563.31
  4. Step 4: Simplify right side
    1,509,140.55x = 1,800,550,326,187.66
  5. Step 5: Solve for x
    x = 1,800,550,326,187.66/1,509,140.55
  6. Step 6: Final answer
    x = 1,193,096.51

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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.