Home / 1,254,230.40-1,880,801.28-455,246.40

Finding the Fourth Proportional to 1,254,230.40, 1,880,801.28 and 455,246.40

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Solution

The fourth proportional to 1,254,230.40, 1,880,801.28 and 455,246.40 is: 682,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,230.40 : 1,880,801.28 = 455,246.40 : x
  2. Step 2: Convert to fraction form
    1,254,230.40/1,880,801.28 = 455,246.40/x
  3. Step 3: Cross multiply
    1,254,230.40x = 1,880,801.28 × 455,246.40
  4. Step 4: Simplify right side
    1,254,230.40x = 856,228,011,835.39
  5. Step 5: Solve for x
    x = 856,228,011,835.39/1,254,230.40
  6. Step 6: Final answer
    x = 682,672.03

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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.