Home / 1,212,189.60-1,817,992.80-370,748.64

Finding the Fourth Proportional to 1,212,189.60, 1,817,992.80 and 370,748.64

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Solution

The fourth proportional to 1,212,189.60, 1,817,992.80 and 370,748.64 is: 556,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,189.60 : 1,817,992.80 = 370,748.64 : x
  2. Step 2: Convert to fraction form
    1,212,189.60/1,817,992.80 = 370,748.64/x
  3. Step 3: Cross multiply
    1,212,189.60x = 1,817,992.80 × 370,748.64
  4. Step 4: Simplify right side
    1,212,189.60x = 674,018,358,129.79
  5. Step 5: Solve for x
    x = 674,018,358,129.79/1,212,189.60
  6. Step 6: Final answer
    x = 556,033.77

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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.