Home / 1,076,723.80-1,615,085.70-908,762.20

Finding the Fourth Proportional to 1,076,723.80, 1,615,085.70 and 908,762.20

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Solution

The fourth proportional to 1,076,723.80, 1,615,085.70 and 908,762.20 is: 1,363,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,723.80 : 1,615,085.70 = 908,762.20 : x
  2. Step 2: Convert to fraction form
    1,076,723.80/1,615,085.70 = 908,762.20/x
  3. Step 3: Cross multiply
    1,076,723.80x = 1,615,085.70 × 908,762.20
  4. Step 4: Simplify right side
    1,076,723.80x = 1,467,728,833,920.54
  5. Step 5: Solve for x
    x = 1,467,728,833,920.54/1,076,723.80
  6. Step 6: Final answer
    x = 1,363,143.30

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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.