Home / 1,161,860.40-1,742,743.20-403,873.72

Finding the Fourth Proportional to 1,161,860.40, 1,742,743.20 and 403,873.72

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Solution

The fourth proportional to 1,161,860.40, 1,742,743.20 and 403,873.72 is: 605,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,860.40 : 1,742,743.20 = 403,873.72 : x
  2. Step 2: Convert to fraction form
    1,161,860.40/1,742,743.20 = 403,873.72/x
  3. Step 3: Cross multiply
    1,161,860.40x = 1,742,743.20 × 403,873.72
  4. Step 4: Simplify right side
    1,161,860.40x = 703,848,179,188.70
  5. Step 5: Solve for x
    x = 703,848,179,188.70/1,161,860.40
  6. Step 6: Final answer
    x = 605,794.10

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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.