Home / 1,087,380.42-1,500,543.46-603,976.57

Finding the Fourth Proportional to 1,087,380.42, 1,500,543.46 and 603,976.57

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Solution

The fourth proportional to 1,087,380.42, 1,500,543.46 and 603,976.57 is: 833,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,380.42 : 1,500,543.46 = 603,976.57 : x
  2. Step 2: Convert to fraction form
    1,087,380.42/1,500,543.46 = 603,976.57/x
  3. Step 3: Cross multiply
    1,087,380.42x = 1,500,543.46 × 603,976.57
  4. Step 4: Simplify right side
    1,087,380.42x = 906,293,089,110.34
  5. Step 5: Solve for x
    x = 906,293,089,110.34/1,087,380.42
  6. Step 6: Final answer
    x = 833,464.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.