Home / 1,009,935.70-1,394,216.31-628,085.50

Finding the Fourth Proportional to 1,009,935.70, 1,394,216.31 and 628,085.50

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Solution

The fourth proportional to 1,009,935.70, 1,394,216.31 and 628,085.50 is: 867,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,935.70 : 1,394,216.31 = 628,085.50 : x
  2. Step 2: Convert to fraction form
    1,009,935.70/1,394,216.31 = 628,085.50/x
  3. Step 3: Cross multiply
    1,009,935.70x = 1,394,216.31 × 628,085.50
  4. Step 4: Simplify right side
    1,009,935.70x = 875,687,047,044.29
  5. Step 5: Solve for x
    x = 875,687,047,044.29/1,009,935.70
  6. Step 6: Final answer
    x = 867,072.08

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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.