Home / 1,113,262.40-1,670,282.40-403,313.60

Finding the Fourth Proportional to 1,113,262.40, 1,670,282.40 and 403,313.60

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Solution

The fourth proportional to 1,113,262.40, 1,670,282.40 and 403,313.60 is: 605,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,262.40 : 1,670,282.40 = 403,313.60 : x
  2. Step 2: Convert to fraction form
    1,113,262.40/1,670,282.40 = 403,313.60/x
  3. Step 3: Cross multiply
    1,113,262.40x = 1,670,282.40 × 403,313.60
  4. Step 4: Simplify right side
    1,113,262.40x = 673,647,607,760.64
  5. Step 5: Solve for x
    x = 673,647,607,760.64/1,113,262.40
  6. Step 6: Final answer
    x = 605,111.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.