Home / 1,210,410.92-1,815,855.33-357,497.12

Finding the Fourth Proportional to 1,210,410.92, 1,815,855.33 and 357,497.12

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Solution

The fourth proportional to 1,210,410.92, 1,815,855.33 and 357,497.12 is: 536,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,410.92 : 1,815,855.33 = 357,497.12 : x
  2. Step 2: Convert to fraction form
    1,210,410.92/1,815,855.33 = 357,497.12/x
  3. Step 3: Cross multiply
    1,210,410.92x = 1,815,855.33 × 357,497.12
  4. Step 4: Simplify right side
    1,210,410.92x = 649,163,050,811.65
  5. Step 5: Solve for x
    x = 649,163,050,811.65/1,210,410.92
  6. Step 6: Final answer
    x = 536,316.25

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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.