Home / 942,111.20-1,413,166.80-847,632.80

Finding the Fourth Proportional to 942,111.20, 1,413,166.80 and 847,632.80

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Solution

The fourth proportional to 942,111.20, 1,413,166.80 and 847,632.80 is: 1,271,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,111.20 : 1,413,166.80 = 847,632.80 : x
  2. Step 2: Convert to fraction form
    942,111.20/1,413,166.80 = 847,632.80/x
  3. Step 3: Cross multiply
    942,111.20x = 1,413,166.80 × 847,632.80
  4. Step 4: Simplify right side
    942,111.20x = 1,197,846,531,551.04
  5. Step 5: Solve for x
    x = 1,197,846,531,551.04/942,111.20
  6. Step 6: Final answer
    x = 1,271,449.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.