Home / 1,091,927.80-1,637,891.70-976,454.20

Finding the Fourth Proportional to 1,091,927.80, 1,637,891.70 and 976,454.20

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Solution

The fourth proportional to 1,091,927.80, 1,637,891.70 and 976,454.20 is: 1,464,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,927.80 : 1,637,891.70 = 976,454.20 : x
  2. Step 2: Convert to fraction form
    1,091,927.80/1,637,891.70 = 976,454.20/x
  3. Step 3: Cross multiply
    1,091,927.80x = 1,637,891.70 × 976,454.20
  4. Step 4: Simplify right side
    1,091,927.80x = 1,599,326,229,610.14
  5. Step 5: Solve for x
    x = 1,599,326,229,610.14/1,091,927.80
  6. Step 6: Final answer
    x = 1,464,681.30

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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.