Home / 1,355,104.08-1,870,030.89-743,244.39

Finding the Fourth Proportional to 1,355,104.08, 1,870,030.89 and 743,244.39

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Solution

The fourth proportional to 1,355,104.08, 1,870,030.89 and 743,244.39 is: 1,025,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,104.08 : 1,870,030.89 = 743,244.39 : x
  2. Step 2: Convert to fraction form
    1,355,104.08/1,870,030.89 = 743,244.39/x
  3. Step 3: Cross multiply
    1,355,104.08x = 1,870,030.89 × 743,244.39
  4. Step 4: Simplify right side
    1,355,104.08x = 1,389,889,968,119.21
  5. Step 5: Solve for x
    x = 1,389,889,968,119.21/1,355,104.08
  6. Step 6: Final answer
    x = 1,025,670.27

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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.