Home / 1,104,114.15-1,660,599.90-988,968.60

Finding the Fourth Proportional to 1,104,114.15, 1,660,599.90 and 988,968.60

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Solution

The fourth proportional to 1,104,114.15, 1,660,599.90 and 988,968.60 is: 1,487,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,114.15 : 1,660,599.90 = 988,968.60 : x
  2. Step 2: Convert to fraction form
    1,104,114.15/1,660,599.90 = 988,968.60/x
  3. Step 3: Cross multiply
    1,104,114.15x = 1,660,599.90 × 988,968.60
  4. Step 4: Simplify right side
    1,104,114.15x = 1,642,281,158,263.14
  5. Step 5: Solve for x
    x = 1,642,281,158,263.14/1,104,114.15
  6. Step 6: Final answer
    x = 1,487,419.72

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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.