Home / 1,370,038.36-1,890,585.48-758,179.84

Finding the Fourth Proportional to 1,370,038.36, 1,890,585.48 and 758,179.84

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Solution

The fourth proportional to 1,370,038.36, 1,890,585.48 and 758,179.84 is: 1,046,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,038.36 : 1,890,585.48 = 758,179.84 : x
  2. Step 2: Convert to fraction form
    1,370,038.36/1,890,585.48 = 758,179.84/x
  3. Step 3: Cross multiply
    1,370,038.36x = 1,890,585.48 × 758,179.84
  4. Step 4: Simplify right side
    1,370,038.36x = 1,433,403,796,732.72
  5. Step 5: Solve for x
    x = 1,433,403,796,732.72/1,370,038.36
  6. Step 6: Final answer
    x = 1,046,250.85

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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.