Home / 1,076,999.20-1,615,498.80-972,023.20

Finding the Fourth Proportional to 1,076,999.20, 1,615,498.80 and 972,023.20

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Solution

The fourth proportional to 1,076,999.20, 1,615,498.80 and 972,023.20 is: 1,458,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,999.20 : 1,615,498.80 = 972,023.20 : x
  2. Step 2: Convert to fraction form
    1,076,999.20/1,615,498.80 = 972,023.20/x
  3. Step 3: Cross multiply
    1,076,999.20x = 1,615,498.80 × 972,023.20
  4. Step 4: Simplify right side
    1,076,999.20x = 1,570,302,313,172.16
  5. Step 5: Solve for x
    x = 1,570,302,313,172.16/1,076,999.20
  6. Step 6: Final answer
    x = 1,458,034.80

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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.