Home / 1,487,290.75-2,052,636.20-883,678.75

Finding the Fourth Proportional to 1,487,290.75, 2,052,636.20 and 883,678.75

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Solution

The fourth proportional to 1,487,290.75, 2,052,636.20 and 883,678.75 is: 1,219,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,290.75 : 2,052,636.20 = 883,678.75 : x
  2. Step 2: Convert to fraction form
    1,487,290.75/2,052,636.20 = 883,678.75/x
  3. Step 3: Cross multiply
    1,487,290.75x = 2,052,636.20 × 883,678.75
  4. Step 4: Simplify right side
    1,487,290.75x = 1,813,870,987,002.36
  5. Step 5: Solve for x
    x = 1,813,870,987,002.36/1,487,290.75
  6. Step 6: Final answer
    x = 1,219,580.63

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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.