Home / 1,670,372.47-2,305,120.29-906,426.10

Finding the Fourth Proportional to 1,670,372.47, 2,305,120.29 and 906,426.10

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Solution

The fourth proportional to 1,670,372.47, 2,305,120.29 and 906,426.10 is: 1,250,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,372.47 : 2,305,120.29 = 906,426.10 : x
  2. Step 2: Convert to fraction form
    1,670,372.47/2,305,120.29 = 906,426.10/x
  3. Step 3: Cross multiply
    1,670,372.47x = 2,305,120.29 × 906,426.10
  4. Step 4: Simplify right side
    1,670,372.47x = 2,089,421,194,495.57
  5. Step 5: Solve for x
    x = 2,089,421,194,495.57/1,670,372.47
  6. Step 6: Final answer
    x = 1,250,871.43

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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.