Home / 1,336,724.56-2,005,053.52-390,103.48

Finding the Fourth Proportional to 1,336,724.56, 2,005,053.52 and 390,103.48

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Solution

The fourth proportional to 1,336,724.56, 2,005,053.52 and 390,103.48 is: 585,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,724.56 : 2,005,053.52 = 390,103.48 : x
  2. Step 2: Convert to fraction form
    1,336,724.56/2,005,053.52 = 390,103.48/x
  3. Step 3: Cross multiply
    1,336,724.56x = 2,005,053.52 × 390,103.48
  4. Step 4: Simplify right side
    1,336,724.56x = 782,178,355,738.25
  5. Step 5: Solve for x
    x = 782,178,355,738.25/1,336,724.56
  6. Step 6: Final answer
    x = 585,145.50

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1.5x scale

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.