Home / 1,670,371.47-2,305,118.91-906,425.10

Finding the Fourth Proportional to 1,670,371.47, 2,305,118.91 and 906,425.10

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Solution

The fourth proportional to 1,670,371.47, 2,305,118.91 and 906,425.10 is: 1,250,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,371.47 : 2,305,118.91 = 906,425.10 : x
  2. Step 2: Convert to fraction form
    1,670,371.47/2,305,118.91 = 906,425.10/x
  3. Step 3: Cross multiply
    1,670,371.47x = 2,305,118.91 × 906,425.10
  4. Step 4: Simplify right side
    1,670,371.47x = 2,089,417,638,508.64
  5. Step 5: Solve for x
    x = 2,089,417,638,508.64/1,670,371.47
  6. Step 6: Final answer
    x = 1,250,870.05

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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.