Home / 1,078,056.40-1,617,161.40-330,101.20

Finding the Fourth Proportional to 1,078,056.40, 1,617,161.40 and 330,101.20

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Solution

The fourth proportional to 1,078,056.40, 1,617,161.40 and 330,101.20 is: 495,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,056.40 : 1,617,161.40 = 330,101.20 : x
  2. Step 2: Convert to fraction form
    1,078,056.40/1,617,161.40 = 330,101.20/x
  3. Step 3: Cross multiply
    1,078,056.40x = 1,617,161.40 × 330,101.20
  4. Step 4: Simplify right side
    1,078,056.40x = 533,826,918,733.68
  5. Step 5: Solve for x
    x = 533,826,918,733.68/1,078,056.40
  6. Step 6: Final answer
    x = 495,175.32

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1.5x scale

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.