Home / 1,355,111.58-1,870,041.24-743,251.89

Finding the Fourth Proportional to 1,355,111.58, 1,870,041.24 and 743,251.89

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Solution

The fourth proportional to 1,355,111.58, 1,870,041.24 and 743,251.89 is: 1,025,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,111.58 : 1,870,041.24 = 743,251.89 : x
  2. Step 2: Convert to fraction form
    1,355,111.58/1,870,041.24 = 743,251.89/x
  3. Step 3: Cross multiply
    1,355,111.58x = 1,870,041.24 × 743,251.89
  4. Step 4: Simplify right side
    1,355,111.58x = 1,389,911,686,007.94
  5. Step 5: Solve for x
    x = 1,389,911,686,007.94/1,355,111.58
  6. Step 6: Final answer
    x = 1,025,680.62

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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.