Home / 1,355,307.21-1,870,364.39-751,682.25

Finding the Fourth Proportional to 1,355,307.21, 1,870,364.39 and 751,682.25

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Solution

The fourth proportional to 1,355,307.21, 1,870,364.39 and 751,682.25 is: 1,037,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,307.21 : 1,870,364.39 = 751,682.25 : x
  2. Step 2: Convert to fraction form
    1,355,307.21/1,870,364.39 = 751,682.25/x
  3. Step 3: Cross multiply
    1,355,307.21x = 1,870,364.39 × 751,682.25
  4. Step 4: Simplify right side
    1,355,307.21x = 1,405,919,709,236.67
  5. Step 5: Solve for x
    x = 1,405,919,709,236.67/1,355,307.21
  6. Step 6: Final answer
    x = 1,037,343.93

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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.