Home / 1,670,300.55-2,305,020.96-906,354.18

Finding the Fourth Proportional to 1,670,300.55, 2,305,020.96 and 906,354.18

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Solution

The fourth proportional to 1,670,300.55, 2,305,020.96 and 906,354.18 is: 1,250,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,300.55 : 2,305,020.96 = 906,354.18 : x
  2. Step 2: Convert to fraction form
    1,670,300.55/2,305,020.96 = 906,354.18/x
  3. Step 3: Cross multiply
    1,670,300.55x = 2,305,020.96 × 906,354.18
  4. Step 4: Simplify right side
    1,670,300.55x = 2,089,165,382,083.61
  5. Step 5: Solve for x
    x = 2,089,165,382,083.61/1,670,300.55
  6. Step 6: Final answer
    x = 1,250,772.13

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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.