Home / 1,302,722.80-1,955,639.40-734,556.40

Finding the Fourth Proportional to 1,302,722.80, 1,955,639.40 and 734,556.40

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Solution

The fourth proportional to 1,302,722.80, 1,955,639.40 and 734,556.40 is: 1,102,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,722.80 : 1,955,639.40 = 734,556.40 : x
  2. Step 2: Convert to fraction form
    1,302,722.80/1,955,639.40 = 734,556.40/x
  3. Step 3: Cross multiply
    1,302,722.80x = 1,955,639.40 × 734,556.40
  4. Step 4: Simplify right side
    1,302,722.80x = 1,436,527,437,362.16
  5. Step 5: Solve for x
    x = 1,436,527,437,362.16/1,302,722.80
  6. Step 6: Final answer
    x = 1,102,711.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.