Home / 1,036,010.81-1,555,076.62-855,521.15

Finding the Fourth Proportional to 1,036,010.81, 1,555,076.62 and 855,521.15

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Solution

The fourth proportional to 1,036,010.81, 1,555,076.62 and 855,521.15 is: 1,284,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,010.81 : 1,555,076.62 = 855,521.15 : x
  2. Step 2: Convert to fraction form
    1,036,010.81/1,555,076.62 = 855,521.15/x
  3. Step 3: Cross multiply
    1,036,010.81x = 1,555,076.62 × 855,521.15
  4. Step 4: Simplify right side
    1,036,010.81x = 1,330,400,938,280.51
  5. Step 5: Solve for x
    x = 1,330,400,938,280.51/1,036,010.81
  6. Step 6: Final answer
    x = 1,284,157.39

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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.