Home / 1,259,425.30-1,889,325.72-406,216.48

Finding the Fourth Proportional to 1,259,425.30, 1,889,325.72 and 406,216.48

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Solution

The fourth proportional to 1,259,425.30, 1,889,325.72 and 406,216.48 is: 609,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,425.30 : 1,889,325.72 = 406,216.48 : x
  2. Step 2: Convert to fraction form
    1,259,425.30/1,889,325.72 = 406,216.48/x
  3. Step 3: Cross multiply
    1,259,425.30x = 1,889,325.72 × 406,216.48
  4. Step 4: Simplify right side
    1,259,425.30x = 767,475,243,551.87
  5. Step 5: Solve for x
    x = 767,475,243,551.87/1,259,425.30
  6. Step 6: Final answer
    x = 609,385.28

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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.