Home / 1,664,492.20-2,497,904.70-718,541.80

Finding the Fourth Proportional to 1,664,492.20, 2,497,904.70 and 718,541.80

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Solution

The fourth proportional to 1,664,492.20, 2,497,904.70 and 718,541.80 is: 1,078,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,492.20 : 2,497,904.70 = 718,541.80 : x
  2. Step 2: Convert to fraction form
    1,664,492.20/2,497,904.70 = 718,541.80/x
  3. Step 3: Cross multiply
    1,664,492.20x = 2,497,904.70 × 718,541.80
  4. Step 4: Simplify right side
    1,664,492.20x = 1,794,848,939,366.46
  5. Step 5: Solve for x
    x = 1,794,848,939,366.46/1,664,492.20
  6. Step 6: Final answer
    x = 1,078,316.22

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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.