Home / 1,450,621.55-2,001,236.79-905,811.50

Finding the Fourth Proportional to 1,450,621.55, 2,001,236.79 and 905,811.50

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Solution

The fourth proportional to 1,450,621.55, 2,001,236.79 and 905,811.50 is: 1,249,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,621.55 : 2,001,236.79 = 905,811.50 : x
  2. Step 2: Convert to fraction form
    1,450,621.55/2,001,236.79 = 905,811.50/x
  3. Step 3: Cross multiply
    1,450,621.55x = 2,001,236.79 × 905,811.50
  4. Step 4: Simplify right side
    1,450,621.55x = 1,812,743,298,605.09
  5. Step 5: Solve for x
    x = 1,812,743,298,605.09/1,450,621.55
  6. Step 6: Final answer
    x = 1,249,632.13

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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.