Home / 1,210,409.92-1,815,853.83-357,496.12

Finding the Fourth Proportional to 1,210,409.92, 1,815,853.83 and 357,496.12

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Solution

The fourth proportional to 1,210,409.92, 1,815,853.83 and 357,496.12 is: 536,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,409.92 : 1,815,853.83 = 357,496.12 : x
  2. Step 2: Convert to fraction form
    1,210,409.92/1,815,853.83 = 357,496.12/x
  3. Step 3: Cross multiply
    1,210,409.92x = 1,815,853.83 × 357,496.12
  4. Step 4: Simplify right side
    1,210,409.92x = 649,160,698,712.14
  5. Step 5: Solve for x
    x = 649,160,698,712.14/1,210,409.92
  6. Step 6: Final answer
    x = 536,314.75

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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.