Home / 1,220,245.27-1,684,019.52-676,403.98

Finding the Fourth Proportional to 1,220,245.27, 1,684,019.52 and 676,403.98

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Solution

The fourth proportional to 1,220,245.27, 1,684,019.52 and 676,403.98 is: 933,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,245.27 : 1,684,019.52 = 676,403.98 : x
  2. Step 2: Convert to fraction form
    1,220,245.27/1,684,019.52 = 676,403.98/x
  3. Step 3: Cross multiply
    1,220,245.27x = 1,684,019.52 × 676,403.98
  4. Step 4: Simplify right side
    1,220,245.27x = 1,139,077,501,515.64
  5. Step 5: Solve for x
    x = 1,139,077,501,515.64/1,220,245.27
  6. Step 6: Final answer
    x = 933,482.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.