Home / 1,318,793.96-1,978,131.50-549,975.07

Finding the Fourth Proportional to 1,318,793.96, 1,978,131.50 and 549,975.07

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Solution

The fourth proportional to 1,318,793.96, 1,978,131.50 and 549,975.07 is: 824,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,793.96 : 1,978,131.50 = 549,975.07 : x
  2. Step 2: Convert to fraction form
    1,318,793.96/1,978,131.50 = 549,975.07/x
  3. Step 3: Cross multiply
    1,318,793.96x = 1,978,131.50 × 549,975.07
  4. Step 4: Simplify right side
    1,318,793.96x = 1,087,922,997,541.17
  5. Step 5: Solve for x
    x = 1,087,922,997,541.17/1,318,793.96
  6. Step 6: Final answer
    x = 824,937.81

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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.