Home / 1,779,662.67-2,456,110.31-1,015,831.05

Finding the Fourth Proportional to 1,779,662.67, 2,456,110.31 and 1,015,831.05

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Solution

The fourth proportional to 1,779,662.67, 2,456,110.31 and 1,015,831.05 is: 1,401,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,662.67 : 2,456,110.31 = 1,015,831.05 : x
  2. Step 2: Convert to fraction form
    1,779,662.67/2,456,110.31 = 1,015,831.05/x
  3. Step 3: Cross multiply
    1,779,662.67x = 2,456,110.31 × 1,015,831.05
  4. Step 4: Simplify right side
    1,779,662.67x = 2,494,993,115,123.13
  5. Step 5: Solve for x
    x = 2,494,993,115,123.13/1,779,662.67
  6. Step 6: Final answer
    x = 1,401,947.21

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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.