Home / 1,143,784.80-1,714,510.80-670,226.40

Finding the Fourth Proportional to 1,143,784.80, 1,714,510.80 and 670,226.40

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Solution

The fourth proportional to 1,143,784.80, 1,714,510.80 and 670,226.40 is: 1,004,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,784.80 : 1,714,510.80 = 670,226.40 : x
  2. Step 2: Convert to fraction form
    1,143,784.80/1,714,510.80 = 670,226.40/x
  3. Step 3: Cross multiply
    1,143,784.80x = 1,714,510.80 × 670,226.40
  4. Step 4: Simplify right side
    1,143,784.80x = 1,149,110,401,245.12
  5. Step 5: Solve for x
    x = 1,149,110,401,245.12/1,143,784.80
  6. Step 6: Final answer
    x = 1,004,656.12

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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.