Home / 1,318,795.71-1,978,134.12-549,976.83

Finding the Fourth Proportional to 1,318,795.71, 1,978,134.12 and 549,976.83

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Solution

The fourth proportional to 1,318,795.71, 1,978,134.12 and 549,976.83 is: 824,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,795.71 : 1,978,134.12 = 549,976.83 : x
  2. Step 2: Convert to fraction form
    1,318,795.71/1,978,134.12 = 549,976.83/x
  3. Step 3: Cross multiply
    1,318,795.71x = 1,978,134.12 × 549,976.83
  4. Step 4: Simplify right side
    1,318,795.71x = 1,087,927,932,632.44
  5. Step 5: Solve for x
    x = 1,087,927,932,632.44/1,318,795.71
  6. Step 6: Final answer
    x = 824,940.45

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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.