Home / 1,457,074.24-2,185,611.36-459,880

Finding the Fourth Proportional to 1,457,074.24, 2,185,611.36 and 459,880

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Solution

The fourth proportional to 1,457,074.24, 2,185,611.36 and 459,880 is: 689,820

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,074.24 : 2,185,611.36 = 459,880 : x
  2. Step 2: Convert to fraction form
    1,457,074.24/2,185,611.36 = 459,880/x
  3. Step 3: Cross multiply
    1,457,074.24x = 2,185,611.36 × 459,880
  4. Step 4: Simplify right side
    1,457,074.24x = 1,005,118,952,236.80
  5. Step 5: Solve for x
    x = 1,005,118,952,236.80/1,457,074.24
  6. Step 6: Final answer
    x = 689,820

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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.