Home / 1,670,407.92-2,305,162.96-906,461.52

Finding the Fourth Proportional to 1,670,407.92, 2,305,162.96 and 906,461.52

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Solution

The fourth proportional to 1,670,407.92, 2,305,162.96 and 906,461.52 is: 1,250,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,407.92 : 2,305,162.96 = 906,461.52 : x
  2. Step 2: Convert to fraction form
    1,670,407.92/2,305,162.96 = 906,461.52/x
  3. Step 3: Cross multiply
    1,670,407.92x = 2,305,162.96 × 906,461.52
  4. Step 4: Simplify right side
    1,670,407.92x = 2,089,541,520,569.30
  5. Step 5: Solve for x
    x = 2,089,541,520,569.30/1,670,407.92
  6. Step 6: Final answer
    x = 1,250,916.91

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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.