Home / 1,409,570.64-1,945,222.02-764,996.40

Finding the Fourth Proportional to 1,409,570.64, 1,945,222.02 and 764,996.40

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Solution

The fourth proportional to 1,409,570.64, 1,945,222.02 and 764,996.40 is: 1,055,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,570.64 : 1,945,222.02 = 764,996.40 : x
  2. Step 2: Convert to fraction form
    1,409,570.64/1,945,222.02 = 764,996.40/x
  3. Step 3: Cross multiply
    1,409,570.64x = 1,945,222.02 × 764,996.40
  4. Step 4: Simplify right side
    1,409,570.64x = 1,488,087,842,500.73
  5. Step 5: Solve for x
    x = 1,488,087,842,500.73/1,409,570.64
  6. Step 6: Final answer
    x = 1,055,702.92

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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.