Home / 1,852,441.65-2,778,579.05-772,509.56

Finding the Fourth Proportional to 1,852,441.65, 2,778,579.05 and 772,509.56

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Solution

The fourth proportional to 1,852,441.65, 2,778,579.05 and 772,509.56 is: 1,158,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,441.65 : 2,778,579.05 = 772,509.56 : x
  2. Step 2: Convert to fraction form
    1,852,441.65/2,778,579.05 = 772,509.56/x
  3. Step 3: Cross multiply
    1,852,441.65x = 2,778,579.05 × 772,509.56
  4. Step 4: Simplify right side
    1,852,441.65x = 2,146,478,861,585.28
  5. Step 5: Solve for x
    x = 2,146,478,861,585.28/1,852,441.65
  6. Step 6: Final answer
    x = 1,158,729.54

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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.