Home / 1,089,964.11-1,503,298.40-708,113.91

Finding the Fourth Proportional to 1,089,964.11, 1,503,298.40 and 708,113.91

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Solution

The fourth proportional to 1,089,964.11, 1,503,298.40 and 708,113.91 is: 976,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,964.11 : 1,503,298.40 = 708,113.91 : x
  2. Step 2: Convert to fraction form
    1,089,964.11/1,503,298.40 = 708,113.91/x
  3. Step 3: Cross multiply
    1,089,964.11x = 1,503,298.40 × 708,113.91
  4. Step 4: Simplify right side
    1,089,964.11x = 1,064,506,504,380.17
  5. Step 5: Solve for x
    x = 1,064,506,504,380.17/1,089,964.11
  6. Step 6: Final answer
    x = 976,643.63

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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.