Home / 1,080,423.60-1,618,302.60-940,455.60

Finding the Fourth Proportional to 1,080,423.60, 1,618,302.60 and 940,455.60

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Solution

The fourth proportional to 1,080,423.60, 1,618,302.60 and 940,455.60 is: 1,408,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,423.60 : 1,618,302.60 = 940,455.60 : x
  2. Step 2: Convert to fraction form
    1,080,423.60/1,618,302.60 = 940,455.60/x
  3. Step 3: Cross multiply
    1,080,423.60x = 1,618,302.60 × 940,455.60
  4. Step 4: Simplify right side
    1,080,423.60x = 1,521,941,742,664.56
  5. Step 5: Solve for x
    x = 1,521,941,742,664.56/1,080,423.60
  6. Step 6: Final answer
    x = 1,408,652.81

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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.