Home / 1,369,752.88-1,890,222.60-757,889.68

Finding the Fourth Proportional to 1,369,752.88, 1,890,222.60 and 757,889.68

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Solution

The fourth proportional to 1,369,752.88, 1,890,222.60 and 757,889.68 is: 1,045,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,752.88 : 1,890,222.60 = 757,889.68 : x
  2. Step 2: Convert to fraction form
    1,369,752.88/1,890,222.60 = 757,889.68/x
  3. Step 3: Cross multiply
    1,369,752.88x = 1,890,222.60 × 757,889.68
  4. Step 4: Simplify right side
    1,369,752.88x = 1,432,580,201,442.77
  5. Step 5: Solve for x
    x = 1,432,580,201,442.77/1,369,752.88
  6. Step 6: Final answer
    x = 1,045,867.63

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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.