Home / 1,019,935.40-1,529,903.10-842,642.60

Finding the Fourth Proportional to 1,019,935.40, 1,529,903.10 and 842,642.60

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Solution

The fourth proportional to 1,019,935.40, 1,529,903.10 and 842,642.60 is: 1,263,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,935.40 : 1,529,903.10 = 842,642.60 : x
  2. Step 2: Convert to fraction form
    1,019,935.40/1,529,903.10 = 842,642.60/x
  3. Step 3: Cross multiply
    1,019,935.40x = 1,529,903.10 × 842,642.60
  4. Step 4: Simplify right side
    1,019,935.40x = 1,289,161,525,932.06
  5. Step 5: Solve for x
    x = 1,289,161,525,932.06/1,019,935.40
  6. Step 6: Final answer
    x = 1,263,963.90

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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.