Home / 1,670,386.72-2,305,139.94-906,440.44

Finding the Fourth Proportional to 1,670,386.72, 2,305,139.94 and 906,440.44

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Solution

The fourth proportional to 1,670,386.72, 2,305,139.94 and 906,440.44 is: 1,250,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,386.72 : 2,305,139.94 = 906,440.44 : x
  2. Step 2: Convert to fraction form
    1,670,386.72/2,305,139.94 = 906,440.44/x
  3. Step 3: Cross multiply
    1,670,386.72x = 2,305,139.94 × 906,440.44
  4. Step 4: Simplify right side
    1,670,386.72x = 2,089,472,061,475.17
  5. Step 5: Solve for x
    x = 2,089,472,061,475.17/1,670,386.72
  6. Step 6: Final answer
    x = 1,250,891.21

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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.