Home / 1,638,402-2,458,017.84-456,450

Finding the Fourth Proportional to 1,638,402, 2,458,017.84 and 456,450

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Solution

The fourth proportional to 1,638,402, 2,458,017.84 and 456,450 is: 684,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,402 : 2,458,017.84 = 456,450 : x
  2. Step 2: Convert to fraction form
    1,638,402/2,458,017.84 = 456,450/x
  3. Step 3: Cross multiply
    1,638,402x = 2,458,017.84 × 456,450
  4. Step 4: Simplify right side
    1,638,402x = 1,121,962,243,068
  5. Step 5: Solve for x
    x = 1,121,962,243,068/1,638,402
  6. Step 6: Final answer
    x = 684,790.57

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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.