Home / 1,080,698.78-1,621,011.24-512,352.16

Finding the Fourth Proportional to 1,080,698.78, 1,621,011.24 and 512,352.16

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Solution

The fourth proportional to 1,080,698.78, 1,621,011.24 and 512,352.16 is: 768,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,698.78 : 1,621,011.24 = 512,352.16 : x
  2. Step 2: Convert to fraction form
    1,080,698.78/1,621,011.24 = 512,352.16/x
  3. Step 3: Cross multiply
    1,080,698.78x = 1,621,011.24 × 512,352.16
  4. Step 4: Simplify right side
    1,080,698.78x = 830,528,606,145.75
  5. Step 5: Solve for x
    x = 830,528,606,145.75/1,080,698.78
  6. Step 6: Final answer
    x = 768,510.73

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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.