Home / 1,370,690.88-1,891,555.92-758,886

Finding the Fourth Proportional to 1,370,690.88, 1,891,555.92 and 758,886

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Solution

The fourth proportional to 1,370,690.88, 1,891,555.92 and 758,886 is: 1,047,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,690.88 : 1,891,555.92 = 758,886 : x
  2. Step 2: Convert to fraction form
    1,370,690.88/1,891,555.92 = 758,886/x
  3. Step 3: Cross multiply
    1,370,690.88x = 1,891,555.92 × 758,886
  4. Step 4: Simplify right side
    1,370,690.88x = 1,435,475,305,905.12
  5. Step 5: Solve for x
    x = 1,435,475,305,905.12/1,370,690.88
  6. Step 6: Final answer
    x = 1,047,264.07

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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.