Home / 1,367,543.70-2,051,341.97-420,913.50

Finding the Fourth Proportional to 1,367,543.70, 2,051,341.97 and 420,913.50

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Solution

The fourth proportional to 1,367,543.70, 2,051,341.97 and 420,913.50 is: 631,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,543.70 : 2,051,341.97 = 420,913.50 : x
  2. Step 2: Convert to fraction form
    1,367,543.70/2,051,341.97 = 420,913.50/x
  3. Step 3: Cross multiply
    1,367,543.70x = 2,051,341.97 × 420,913.50
  4. Step 4: Simplify right side
    1,367,543.70x = 863,437,526,185.03
  5. Step 5: Solve for x
    x = 863,437,526,185.03/1,367,543.70
  6. Step 6: Final answer
    x = 631,378.38

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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.