Home / 1,355,311.46-1,870,370.25-751,686.50

Finding the Fourth Proportional to 1,355,311.46, 1,870,370.25 and 751,686.50

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Solution

The fourth proportional to 1,355,311.46, 1,870,370.25 and 751,686.50 is: 1,037,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,311.46 : 1,870,370.25 = 751,686.50 : x
  2. Step 2: Convert to fraction form
    1,355,311.46/1,870,370.25 = 751,686.50/x
  3. Step 3: Cross multiply
    1,355,311.46x = 1,870,370.25 × 751,686.50
  4. Step 4: Simplify right side
    1,355,311.46x = 1,405,932,066,926.63
  5. Step 5: Solve for x
    x = 1,405,932,066,926.63/1,355,311.46
  6. Step 6: Final answer
    x = 1,037,349.80

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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.