Home / 1,685,718.30-2,528,577.45-1,118,847.90

Finding the Fourth Proportional to 1,685,718.30, 2,528,577.45 and 1,118,847.90

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Solution

The fourth proportional to 1,685,718.30, 2,528,577.45 and 1,118,847.90 is: 1,678,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,718.30 : 2,528,577.45 = 1,118,847.90 : x
  2. Step 2: Convert to fraction form
    1,685,718.30/2,528,577.45 = 1,118,847.90/x
  3. Step 3: Cross multiply
    1,685,718.30x = 2,528,577.45 × 1,118,847.90
  4. Step 4: Simplify right side
    1,685,718.30x = 2,829,093,569,919.86
  5. Step 5: Solve for x
    x = 2,829,093,569,919.86/1,685,718.30
  6. Step 6: Final answer
    x = 1,678,271.85

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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.