Home / 1,366,977.89-1,886,445.32-755,117.98

Finding the Fourth Proportional to 1,366,977.89, 1,886,445.32 and 755,117.98

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Solution

The fourth proportional to 1,366,977.89, 1,886,445.32 and 755,117.98 is: 1,042,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,977.89 : 1,886,445.32 = 755,117.98 : x
  2. Step 2: Convert to fraction form
    1,366,977.89/1,886,445.32 = 755,117.98/x
  3. Step 3: Cross multiply
    1,366,977.89x = 1,886,445.32 × 755,117.98
  4. Step 4: Simplify right side
    1,366,977.89x = 1,424,488,779,418.85
  5. Step 5: Solve for x
    x = 1,424,488,779,418.85/1,366,977.89
  6. Step 6: Final answer
    x = 1,042,071.56

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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.