Home / 1,393,040.21-2,090,492.35-506,576.21

Finding the Fourth Proportional to 1,393,040.21, 2,090,492.35 and 506,576.21

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Solution

The fourth proportional to 1,393,040.21, 2,090,492.35 and 506,576.21 is: 760,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,040.21 : 2,090,492.35 = 506,576.21 : x
  2. Step 2: Convert to fraction form
    1,393,040.21/2,090,492.35 = 506,576.21/x
  3. Step 3: Cross multiply
    1,393,040.21x = 2,090,492.35 × 506,576.21
  4. Step 4: Simplify right side
    1,393,040.21x = 1,058,993,679,978.09
  5. Step 5: Solve for x
    x = 1,058,993,679,978.09/1,393,040.21
  6. Step 6: Final answer
    x = 760,203.24

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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.