Home / 1,259,447.53-1,889,284.75-406,539.40

Finding the Fourth Proportional to 1,259,447.53, 1,889,284.75 and 406,539.40

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Solution

The fourth proportional to 1,259,447.53, 1,889,284.75 and 406,539.40 is: 609,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,447.53 : 1,889,284.75 = 406,539.40 : x
  2. Step 2: Convert to fraction form
    1,259,447.53/1,889,284.75 = 406,539.40/x
  3. Step 3: Cross multiply
    1,259,447.53x = 1,889,284.75 × 406,539.40
  4. Step 4: Simplify right side
    1,259,447.53x = 768,068,686,661.45
  5. Step 5: Solve for x
    x = 768,068,686,661.45/1,259,447.53
  6. Step 6: Final answer
    x = 609,845.72

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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.