Home / 1,907,574.65-2,861,350.63-487,628.45

Finding the Fourth Proportional to 1,907,574.65, 2,861,350.63 and 487,628.45

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Solution

The fourth proportional to 1,907,574.65, 2,861,350.63 and 487,628.45 is: 731,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,574.65 : 2,861,350.63 = 487,628.45 : x
  2. Step 2: Convert to fraction form
    1,907,574.65/2,861,350.63 = 487,628.45/x
  3. Step 3: Cross multiply
    1,907,574.65x = 2,861,350.63 × 487,628.45
  4. Step 4: Simplify right side
    1,907,574.65x = 1,395,275,972,613.42
  5. Step 5: Solve for x
    x = 1,395,275,972,613.42/1,907,574.65
  6. Step 6: Final answer
    x = 731,439.77

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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.