Home / 1,588,189.22-2,191,996.37-909,125.72

Finding the Fourth Proportional to 1,588,189.22, 2,191,996.37 and 909,125.72

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Solution

The fourth proportional to 1,588,189.22, 2,191,996.37 and 909,125.72 is: 1,254,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,189.22 : 2,191,996.37 = 909,125.72 : x
  2. Step 2: Convert to fraction form
    1,588,189.22/2,191,996.37 = 909,125.72/x
  3. Step 3: Cross multiply
    1,588,189.22x = 2,191,996.37 × 909,125.72
  4. Step 4: Simplify right side
    1,588,189.22x = 1,992,800,274,237.23
  5. Step 5: Solve for x
    x = 1,992,800,274,237.23/1,588,189.22
  6. Step 6: Final answer
    x = 1,254,762.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.