Home / 1,014,442.56-1,399,972.95-561,733.56

Finding the Fourth Proportional to 1,014,442.56, 1,399,972.95 and 561,733.56

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Solution

The fourth proportional to 1,014,442.56, 1,399,972.95 and 561,733.56 is: 775,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,442.56 : 1,399,972.95 = 561,733.56 : x
  2. Step 2: Convert to fraction form
    1,014,442.56/1,399,972.95 = 561,733.56/x
  3. Step 3: Cross multiply
    1,014,442.56x = 1,399,972.95 × 561,733.56
  4. Step 4: Simplify right side
    1,014,442.56x = 786,411,789,107.20
  5. Step 5: Solve for x
    x = 786,411,789,107.20/1,014,442.56
  6. Step 6: Final answer
    x = 775,215.69

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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.