Home / 1,268,971.56-1,903,457.40-740,184.12

Finding the Fourth Proportional to 1,268,971.56, 1,903,457.40 and 740,184.12

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Solution

The fourth proportional to 1,268,971.56, 1,903,457.40 and 740,184.12 is: 1,110,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,971.56 : 1,903,457.40 = 740,184.12 : x
  2. Step 2: Convert to fraction form
    1,268,971.56/1,903,457.40 = 740,184.12/x
  3. Step 3: Cross multiply
    1,268,971.56x = 1,903,457.40 × 740,184.12
  4. Step 4: Simplify right side
    1,268,971.56x = 1,408,908,940,576.49
  5. Step 5: Solve for x
    x = 1,408,908,940,576.49/1,268,971.56
  6. Step 6: Final answer
    x = 1,110,276.21

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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.