Home / 1,355,310.46-1,870,368.87-751,685.50

Finding the Fourth Proportional to 1,355,310.46, 1,870,368.87 and 751,685.50

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Solution

The fourth proportional to 1,355,310.46, 1,870,368.87 and 751,685.50 is: 1,037,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,310.46 : 1,870,368.87 = 751,685.50 : x
  2. Step 2: Convert to fraction form
    1,355,310.46/1,870,368.87 = 751,685.50/x
  3. Step 3: Cross multiply
    1,355,310.46x = 1,870,368.87 × 751,685.50
  4. Step 4: Simplify right side
    1,355,310.46x = 1,405,929,159,230.39
  5. Step 5: Solve for x
    x = 1,405,929,159,230.39/1,355,310.46
  6. Step 6: Final answer
    x = 1,037,348.42

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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.