Home / 1,355,110.58-1,870,039.86-743,250.90

Finding the Fourth Proportional to 1,355,110.58, 1,870,039.86 and 743,250.90

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Solution

The fourth proportional to 1,355,110.58, 1,870,039.86 and 743,250.90 is: 1,025,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,110.58 : 1,870,039.86 = 743,250.90 : x
  2. Step 2: Convert to fraction form
    1,355,110.58/1,870,039.86 = 743,250.90/x
  3. Step 3: Cross multiply
    1,355,110.58x = 1,870,039.86 × 743,250.90
  4. Step 4: Simplify right side
    1,355,110.58x = 1,389,908,808,980.87
  5. Step 5: Solve for x
    x = 1,389,908,808,980.87/1,355,110.58
  6. Step 6: Final answer
    x = 1,025,679.25

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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.