Home / 1,100,509.23-1,518,671.16-670,632.51

Finding the Fourth Proportional to 1,100,509.23, 1,518,671.16 and 670,632.51

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Solution

The fourth proportional to 1,100,509.23, 1,518,671.16 and 670,632.51 is: 925,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,509.23 : 1,518,671.16 = 670,632.51 : x
  2. Step 2: Convert to fraction form
    1,100,509.23/1,518,671.16 = 670,632.51/x
  3. Step 3: Cross multiply
    1,100,509.23x = 1,518,671.16 × 670,632.51
  4. Step 4: Simplify right side
    1,100,509.23x = 1,018,470,251,895.41
  5. Step 5: Solve for x
    x = 1,018,470,251,895.41/1,100,509.23
  6. Step 6: Final answer
    x = 925,453.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.