Home / 1,291,666.15-1,782,466.48-702,940.56

Finding the Fourth Proportional to 1,291,666.15, 1,782,466.48 and 702,940.56

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Solution

The fourth proportional to 1,291,666.15, 1,782,466.48 and 702,940.56 is: 970,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,666.15 : 1,782,466.48 = 702,940.56 : x
  2. Step 2: Convert to fraction form
    1,291,666.15/1,782,466.48 = 702,940.56/x
  3. Step 3: Cross multiply
    1,291,666.15x = 1,782,466.48 × 702,940.56
  4. Step 4: Simplify right side
    1,291,666.15x = 1,252,967,979,214.94
  5. Step 5: Solve for x
    x = 1,252,967,979,214.94/1,291,666.15
  6. Step 6: Final answer
    x = 970,040.12

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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.