Home / 1,323,955.92-1,826,517.96-921,781.20

Finding the Fourth Proportional to 1,323,955.92, 1,826,517.96 and 921,781.20

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Solution

The fourth proportional to 1,323,955.92, 1,826,517.96 and 921,781.20 is: 1,271,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,955.92 : 1,826,517.96 = 921,781.20 : x
  2. Step 2: Convert to fraction form
    1,323,955.92/1,826,517.96 = 921,781.20/x
  3. Step 3: Cross multiply
    1,323,955.92x = 1,826,517.96 × 921,781.20
  4. Step 4: Simplify right side
    1,323,955.92x = 1,683,649,916,990.35
  5. Step 5: Solve for x
    x = 1,683,649,916,990.35/1,323,955.92
  6. Step 6: Final answer
    x = 1,271,681.25

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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.