Home / 1,673,376.57-2,309,277.60-909,430.20

Finding the Fourth Proportional to 1,673,376.57, 2,309,277.60 and 909,430.20

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Solution

The fourth proportional to 1,673,376.57, 2,309,277.60 and 909,430.20 is: 1,255,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,376.57 : 2,309,277.60 = 909,430.20 : x
  2. Step 2: Convert to fraction form
    1,673,376.57/2,309,277.60 = 909,430.20/x
  3. Step 3: Cross multiply
    1,673,376.57x = 2,309,277.60 × 909,430.20
  4. Step 4: Simplify right side
    1,673,376.57x = 2,100,126,789,623.52
  5. Step 5: Solve for x
    x = 2,100,126,789,623.52/1,673,376.57
  6. Step 6: Final answer
    x = 1,255,023.42

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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.