Home / 1,012,480.20-1,518,744.60-302,531.40

Finding the Fourth Proportional to 1,012,480.20, 1,518,744.60 and 302,531.40

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Solution

The fourth proportional to 1,012,480.20, 1,518,744.60 and 302,531.40 is: 453,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,480.20 : 1,518,744.60 = 302,531.40 : x
  2. Step 2: Convert to fraction form
    1,012,480.20/1,518,744.60 = 302,531.40/x
  3. Step 3: Cross multiply
    1,012,480.20x = 1,518,744.60 × 302,531.40
  4. Step 4: Simplify right side
    1,012,480.20x = 459,467,930,080.44
  5. Step 5: Solve for x
    x = 459,467,930,080.44/1,012,480.20
  6. Step 6: Final answer
    x = 453,804.36

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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.