Home / 1,370,505.12-1,891,274.06-758,644.76

Finding the Fourth Proportional to 1,370,505.12, 1,891,274.06 and 758,644.76

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Solution

The fourth proportional to 1,370,505.12, 1,891,274.06 and 758,644.76 is: 1,046,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,505.12 : 1,891,274.06 = 758,644.76 : x
  2. Step 2: Convert to fraction form
    1,370,505.12/1,891,274.06 = 758,644.76/x
  3. Step 3: Cross multiply
    1,370,505.12x = 1,891,274.06 × 758,644.76
  4. Step 4: Simplify right side
    1,370,505.12x = 1,434,805,155,342.93
  5. Step 5: Solve for x
    x = 1,434,805,155,342.93/1,370,505.12
  6. Step 6: Final answer
    x = 1,046,917.03

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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.