Home / 1,211,739.12-1,817,613-370,287.36

Finding the Fourth Proportional to 1,211,739.12, 1,817,613 and 370,287.36

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Solution

The fourth proportional to 1,211,739.12, 1,817,613 and 370,287.36 is: 555,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,739.12 : 1,817,613 = 370,287.36 : x
  2. Step 2: Convert to fraction form
    1,211,739.12/1,817,613 = 370,287.36/x
  3. Step 3: Cross multiply
    1,211,739.12x = 1,817,613 × 370,287.36
  4. Step 4: Simplify right side
    1,211,739.12x = 673,039,119,271.68
  5. Step 5: Solve for x
    x = 673,039,119,271.68/1,211,739.12
  6. Step 6: Final answer
    x = 555,432.36

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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.