Home / 1,138,014.50-1,570,679.86-730,631.06

Finding the Fourth Proportional to 1,138,014.50, 1,570,679.86 and 730,631.06

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Solution

The fourth proportional to 1,138,014.50, 1,570,679.86 and 730,631.06 is: 1,008,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,014.50 : 1,570,679.86 = 730,631.06 : x
  2. Step 2: Convert to fraction form
    1,138,014.50/1,570,679.86 = 730,631.06/x
  3. Step 3: Cross multiply
    1,138,014.50x = 1,570,679.86 × 730,631.06
  4. Step 4: Simplify right side
    1,138,014.50x = 1,147,587,491,032.45
  5. Step 5: Solve for x
    x = 1,147,587,491,032.45/1,138,014.50
  6. Step 6: Final answer
    x = 1,008,412.01

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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.