Home / 1,009,938.04-1,394,219.54-628,087.84

Finding the Fourth Proportional to 1,009,938.04, 1,394,219.54 and 628,087.84

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Solution

The fourth proportional to 1,009,938.04, 1,394,219.54 and 628,087.84 is: 867,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,938.04 : 1,394,219.54 = 628,087.84 : x
  2. Step 2: Convert to fraction form
    1,009,938.04/1,394,219.54 = 628,087.84/x
  3. Step 3: Cross multiply
    1,009,938.04x = 1,394,219.54 × 628,087.84
  4. Step 4: Simplify right side
    1,009,938.04x = 875,692,339,364.39
  5. Step 5: Solve for x
    x = 875,692,339,364.39/1,009,938.04
  6. Step 6: Final answer
    x = 867,075.31

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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.