Home / 1,190,848.77-1,643,362.45-646,989.02

Finding the Fourth Proportional to 1,190,848.77, 1,643,362.45 and 646,989.02

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Solution

The fourth proportional to 1,190,848.77, 1,643,362.45 and 646,989.02 is: 892,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,848.77 : 1,643,362.45 = 646,989.02 : x
  2. Step 2: Convert to fraction form
    1,190,848.77/1,643,362.45 = 646,989.02/x
  3. Step 3: Cross multiply
    1,190,848.77x = 1,643,362.45 × 646,989.02
  4. Step 4: Simplify right side
    1,190,848.77x = 1,063,237,457,795.35
  5. Step 5: Solve for x
    x = 1,063,237,457,795.35/1,190,848.77
  6. Step 6: Final answer
    x = 892,840.04

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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.