Home / 921,335.80-1,382,003.70-846,686.20

Finding the Fourth Proportional to 921,335.80, 1,382,003.70 and 846,686.20

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Solution

The fourth proportional to 921,335.80, 1,382,003.70 and 846,686.20 is: 1,270,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,335.80 : 1,382,003.70 = 846,686.20 : x
  2. Step 2: Convert to fraction form
    921,335.80/1,382,003.70 = 846,686.20/x
  3. Step 3: Cross multiply
    921,335.80x = 1,382,003.70 × 846,686.20
  4. Step 4: Simplify right side
    921,335.80x = 1,170,123,461,138.94
  5. Step 5: Solve for x
    x = 1,170,123,461,138.94/921,335.80
  6. Step 6: Final answer
    x = 1,270,029.30

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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.