Home / 1,457,719.32-2,185,642.44-605,378.88

Finding the Fourth Proportional to 1,457,719.32, 2,185,642.44 and 605,378.88

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Solution

The fourth proportional to 1,457,719.32, 2,185,642.44 and 605,378.88 is: 907,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,719.32 : 2,185,642.44 = 605,378.88 : x
  2. Step 2: Convert to fraction form
    1,457,719.32/2,185,642.44 = 605,378.88/x
  3. Step 3: Cross multiply
    1,457,719.32x = 2,185,642.44 × 605,378.88
  4. Step 4: Simplify right side
    1,457,719.32x = 1,323,141,772,407.67
  5. Step 5: Solve for x
    x = 1,323,141,772,407.67/1,457,719.32
  6. Step 6: Final answer
    x = 907,679.38

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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.