Home / 1,030,756-1,422,598.80-628,581.28

Finding the Fourth Proportional to 1,030,756, 1,422,598.80 and 628,581.28

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Solution

The fourth proportional to 1,030,756, 1,422,598.80 and 628,581.28 is: 867,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,756 : 1,422,598.80 = 628,581.28 : x
  2. Step 2: Convert to fraction form
    1,030,756/1,422,598.80 = 628,581.28/x
  3. Step 3: Cross multiply
    1,030,756x = 1,422,598.80 × 628,581.28
  4. Step 4: Simplify right side
    1,030,756x = 894,218,974,630.46
  5. Step 5: Solve for x
    x = 894,218,974,630.46/1,030,756
  6. Step 6: Final answer
    x = 867,537.01

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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.