Home / 1,491,501.52-2,058,261.60-812,438.02

Finding the Fourth Proportional to 1,491,501.52, 2,058,261.60 and 812,438.02

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Solution

The fourth proportional to 1,491,501.52, 2,058,261.60 and 812,438.02 is: 1,121,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,501.52 : 2,058,261.60 = 812,438.02 : x
  2. Step 2: Convert to fraction form
    1,491,501.52/2,058,261.60 = 812,438.02/x
  3. Step 3: Cross multiply
    1,491,501.52x = 2,058,261.60 × 812,438.02
  4. Step 4: Simplify right side
    1,491,501.52x = 1,672,209,978,946.03
  5. Step 5: Solve for x
    x = 1,672,209,978,946.03/1,491,501.52
  6. Step 6: Final answer
    x = 1,121,158.75

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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.