Home / 1,409,430.02-1,945,018.53-764,850.06

Finding the Fourth Proportional to 1,409,430.02, 1,945,018.53 and 764,850.06

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Solution

The fourth proportional to 1,409,430.02, 1,945,018.53 and 764,850.06 is: 1,055,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,430.02 : 1,945,018.53 = 764,850.06 : x
  2. Step 2: Convert to fraction form
    1,409,430.02/1,945,018.53 = 764,850.06/x
  3. Step 3: Cross multiply
    1,409,430.02x = 1,945,018.53 × 764,850.06
  4. Step 4: Simplify right side
    1,409,430.02x = 1,487,647,539,371.61
  5. Step 5: Solve for x
    x = 1,487,647,539,371.61/1,409,430.02
  6. Step 6: Final answer
    x = 1,055,495.86

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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.