Home / 1,272,825.22-1,910,068.89-474,745.18

Finding the Fourth Proportional to 1,272,825.22, 1,910,068.89 and 474,745.18

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Solution

The fourth proportional to 1,272,825.22, 1,910,068.89 and 474,745.18 is: 712,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,825.22 : 1,910,068.89 = 474,745.18 : x
  2. Step 2: Convert to fraction form
    1,272,825.22/1,910,068.89 = 474,745.18/x
  3. Step 3: Cross multiply
    1,272,825.22x = 1,910,068.89 × 474,745.18
  4. Step 4: Simplify right side
    1,272,825.22x = 906,795,989,445.11
  5. Step 5: Solve for x
    x = 906,795,989,445.11/1,272,825.22
  6. Step 6: Final answer
    x = 712,427.74

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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.