Home / 1,076,258.24-1,484,388.64-668,129.60

Finding the Fourth Proportional to 1,076,258.24, 1,484,388.64 and 668,129.60

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Solution

The fourth proportional to 1,076,258.24, 1,484,388.64 and 668,129.60 is: 921,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,258.24 : 1,484,388.64 = 668,129.60 : x
  2. Step 2: Convert to fraction form
    1,076,258.24/1,484,388.64 = 668,129.60/x
  3. Step 3: Cross multiply
    1,076,258.24x = 1,484,388.64 × 668,129.60
  4. Step 4: Simplify right side
    1,076,258.24x = 991,763,988,287.74
  5. Step 5: Solve for x
    x = 991,763,988,287.74/1,076,258.24
  6. Step 6: Final answer
    x = 921,492.59

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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.