Home / 1,780,467.64-2,670,704.86-432,631.40

Finding the Fourth Proportional to 1,780,467.64, 2,670,704.86 and 432,631.40

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Solution

The fourth proportional to 1,780,467.64, 2,670,704.86 and 432,631.40 is: 648,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,467.64 : 2,670,704.86 = 432,631.40 : x
  2. Step 2: Convert to fraction form
    1,780,467.64/2,670,704.86 = 432,631.40/x
  3. Step 3: Cross multiply
    1,780,467.64x = 2,670,704.86 × 432,631.40
  4. Step 4: Simplify right side
    1,780,467.64x = 1,155,430,782,568.60
  5. Step 5: Solve for x
    x = 1,155,430,782,568.60/1,780,467.64
  6. Step 6: Final answer
    x = 648,947.93

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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.