Home / 1,418,825.35-1,958,020.59-774,287.16

Finding the Fourth Proportional to 1,418,825.35, 1,958,020.59 and 774,287.16

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Solution

The fourth proportional to 1,418,825.35, 1,958,020.59 and 774,287.16 is: 1,068,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,825.35 : 1,958,020.59 = 774,287.16 : x
  2. Step 2: Convert to fraction form
    1,418,825.35/1,958,020.59 = 774,287.16/x
  3. Step 3: Cross multiply
    1,418,825.35x = 1,958,020.59 × 774,287.16
  4. Step 4: Simplify right side
    1,418,825.35x = 1,516,070,201,852.62
  5. Step 5: Solve for x
    x = 1,516,070,201,852.62/1,418,825.35
  6. Step 6: Final answer
    x = 1,068,538.99

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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.