Home / 1,656,308.25-2,285,683.52-921,257.55

Finding the Fourth Proportional to 1,656,308.25, 2,285,683.52 and 921,257.55

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Solution

The fourth proportional to 1,656,308.25, 2,285,683.52 and 921,257.55 is: 1,271,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,308.25 : 2,285,683.52 = 921,257.55 : x
  2. Step 2: Convert to fraction form
    1,656,308.25/2,285,683.52 = 921,257.55/x
  3. Step 3: Cross multiply
    1,656,308.25x = 2,285,683.52 × 921,257.55
  4. Step 4: Simplify right side
    1,656,308.25x = 2,105,703,195,104.29
  5. Step 5: Solve for x
    x = 2,105,703,195,104.29/1,656,308.25
  6. Step 6: Final answer
    x = 1,271,323.25

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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.