Home / 1,009,935.04-1,394,215.40-628,084.84

Finding the Fourth Proportional to 1,009,935.04, 1,394,215.40 and 628,084.84

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Solution

The fourth proportional to 1,009,935.04, 1,394,215.40 and 628,084.84 is: 867,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,935.04 : 1,394,215.40 = 628,084.84 : x
  2. Step 2: Convert to fraction form
    1,009,935.04/1,394,215.40 = 628,084.84/x
  3. Step 3: Cross multiply
    1,009,935.04x = 1,394,215.40 × 628,084.84
  4. Step 4: Simplify right side
    1,009,935.04x = 875,685,556,434.54
  5. Step 5: Solve for x
    x = 875,685,556,434.54/1,009,935.04
  6. Step 6: Final answer
    x = 867,071.17

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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.