Home / 986,302.80-1,479,454.20-671,374.80

Finding the Fourth Proportional to 986,302.80, 1,479,454.20 and 671,374.80

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Solution

The fourth proportional to 986,302.80, 1,479,454.20 and 671,374.80 is: 1,007,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,302.80 : 1,479,454.20 = 671,374.80 : x
  2. Step 2: Convert to fraction form
    986,302.80/1,479,454.20 = 671,374.80/x
  3. Step 3: Cross multiply
    986,302.80x = 1,479,454.20 × 671,374.80
  4. Step 4: Simplify right side
    986,302.80x = 993,268,267,634.16
  5. Step 5: Solve for x
    x = 993,268,267,634.16/986,302.80
  6. Step 6: Final answer
    x = 1,007,062.20

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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.