Home / 1,139,373.06-1,708,533.36-419,533.98

Finding the Fourth Proportional to 1,139,373.06, 1,708,533.36 and 419,533.98

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Solution

The fourth proportional to 1,139,373.06, 1,708,533.36 and 419,533.98 is: 629,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,373.06 : 1,708,533.36 = 419,533.98 : x
  2. Step 2: Convert to fraction form
    1,139,373.06/1,708,533.36 = 419,533.98/x
  3. Step 3: Cross multiply
    1,139,373.06x = 1,708,533.36 × 419,533.98
  4. Step 4: Simplify right side
    1,139,373.06x = 716,787,800,483.57
  5. Step 5: Solve for x
    x = 716,787,800,483.57/1,139,373.06
  6. Step 6: Final answer
    x = 629,107.20

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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.