Home / 1,349,156.12-1,861,840.31-737,309.16

Finding the Fourth Proportional to 1,349,156.12, 1,861,840.31 and 737,309.16

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Solution

The fourth proportional to 1,349,156.12, 1,861,840.31 and 737,309.16 is: 1,017,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,156.12 : 1,861,840.31 = 737,309.16 : x
  2. Step 2: Convert to fraction form
    1,349,156.12/1,861,840.31 = 737,309.16/x
  3. Step 3: Cross multiply
    1,349,156.12x = 1,861,840.31 × 737,309.16
  4. Step 4: Simplify right side
    1,349,156.12x = 1,372,751,911,333.69
  5. Step 5: Solve for x
    x = 1,372,751,911,333.69/1,349,156.12
  6. Step 6: Final answer
    x = 1,017,489.30

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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.