Home / 1,210,145.70-1,812,784.48-560,812.41

Finding the Fourth Proportional to 1,210,145.70, 1,812,784.48 and 560,812.41

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Solution

The fourth proportional to 1,210,145.70, 1,812,784.48 and 560,812.41 is: 840,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,145.70 : 1,812,784.48 = 560,812.41 : x
  2. Step 2: Convert to fraction form
    1,210,145.70/1,812,784.48 = 560,812.41/x
  3. Step 3: Cross multiply
    1,210,145.70x = 1,812,784.48 × 560,812.41
  4. Step 4: Simplify right side
    1,210,145.70x = 1,016,632,033,214.65
  5. Step 5: Solve for x
    x = 1,016,632,033,214.65/1,210,145.70
  6. Step 6: Final answer
    x = 840,090.61

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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.