Home / 1,638,353.81-2,455,600.01-738,742.29

Finding the Fourth Proportional to 1,638,353.81, 2,455,600.01 and 738,742.29

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Solution

The fourth proportional to 1,638,353.81, 2,455,600.01 and 738,742.29 is: 1,107,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,353.81 : 2,455,600.01 = 738,742.29 : x
  2. Step 2: Convert to fraction form
    1,638,353.81/2,455,600.01 = 738,742.29/x
  3. Step 3: Cross multiply
    1,638,353.81x = 2,455,600.01 × 738,742.29
  4. Step 4: Simplify right side
    1,638,353.81x = 1,814,055,571,017.71
  5. Step 5: Solve for x
    x = 1,814,055,571,017.71/1,638,353.81
  6. Step 6: Final answer
    x = 1,107,242.87

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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.