Home / 1,104,754.34-1,649,066.38-947,990.18

Finding the Fourth Proportional to 1,104,754.34, 1,649,066.38 and 947,990.18

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Solution

The fourth proportional to 1,104,754.34, 1,649,066.38 and 947,990.18 is: 1,415,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,754.34 : 1,649,066.38 = 947,990.18 : x
  2. Step 2: Convert to fraction form
    1,104,754.34/1,649,066.38 = 947,990.18/x
  3. Step 3: Cross multiply
    1,104,754.34x = 1,649,066.38 × 947,990.18
  4. Step 4: Simplify right side
    1,104,754.34x = 1,563,298,734,408.15
  5. Step 5: Solve for x
    x = 1,563,298,734,408.15/1,104,754.34
  6. Step 6: Final answer
    x = 1,415,064.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.