Home / 1,511,235.07-2,084,829.74-1,021,046.36

Finding the Fourth Proportional to 1,511,235.07, 2,084,829.74 and 1,021,046.36

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Solution

The fourth proportional to 1,511,235.07, 2,084,829.74 and 1,021,046.36 is: 1,408,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,235.07 : 2,084,829.74 = 1,021,046.36 : x
  2. Step 2: Convert to fraction form
    1,511,235.07/2,084,829.74 = 1,021,046.36/x
  3. Step 3: Cross multiply
    1,511,235.07x = 2,084,829.74 × 1,021,046.36
  4. Step 4: Simplify right side
    1,511,235.07x = 2,128,707,817,273.46
  5. Step 5: Solve for x
    x = 2,128,707,817,273.46/1,511,235.07
  6. Step 6: Final answer
    x = 1,408,588.15

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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.