Home / 1,129,111.94-1,693,311.08-370,828.48

Finding the Fourth Proportional to 1,129,111.94, 1,693,311.08 and 370,828.48

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Solution

The fourth proportional to 1,129,111.94, 1,693,311.08 and 370,828.48 is: 556,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,111.94 : 1,693,311.08 = 370,828.48 : x
  2. Step 2: Convert to fraction form
    1,129,111.94/1,693,311.08 = 370,828.48/x
  3. Step 3: Cross multiply
    1,129,111.94x = 1,693,311.08 × 370,828.48
  4. Step 4: Simplify right side
    1,129,111.94x = 627,927,973,963.56
  5. Step 5: Solve for x
    x = 627,927,973,963.56/1,129,111.94
  6. Step 6: Final answer
    x = 556,125.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.