Home / 1,323,107.52-1,825,855.68-771,928.80

Finding the Fourth Proportional to 1,323,107.52, 1,825,855.68 and 771,928.80

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Solution

The fourth proportional to 1,323,107.52, 1,825,855.68 and 771,928.80 is: 1,065,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,107.52 : 1,825,855.68 = 771,928.80 : x
  2. Step 2: Convert to fraction form
    1,323,107.52/1,825,855.68 = 771,928.80/x
  3. Step 3: Cross multiply
    1,323,107.52x = 1,825,855.68 × 771,928.80
  4. Step 4: Simplify right side
    1,323,107.52x = 1,409,430,584,035.58
  5. Step 5: Solve for x
    x = 1,409,430,584,035.58/1,323,107.52
  6. Step 6: Final answer
    x = 1,065,242.67

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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.