Home / 1,010,409.60-1,394,518.50-628,559.40

Finding the Fourth Proportional to 1,010,409.60, 1,394,518.50 and 628,559.40

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Solution

The fourth proportional to 1,010,409.60, 1,394,518.50 and 628,559.40 is: 867,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,409.60 : 1,394,518.50 = 628,559.40 : x
  2. Step 2: Convert to fraction form
    1,010,409.60/1,394,518.50 = 628,559.40/x
  3. Step 3: Cross multiply
    1,010,409.60x = 1,394,518.50 × 628,559.40
  4. Step 4: Simplify right side
    1,010,409.60x = 876,537,711,648.90
  5. Step 5: Solve for x
    x = 876,537,711,648.90/1,010,409.60
  6. Step 6: Final answer
    x = 867,507.31

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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.