Home / 1,012,534.80-1,518,820.20-302,571.60

Finding the Fourth Proportional to 1,012,534.80, 1,518,820.20 and 302,571.60

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Solution

The fourth proportional to 1,012,534.80, 1,518,820.20 and 302,571.60 is: 453,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,534.80 : 1,518,820.20 = 302,571.60 : x
  2. Step 2: Convert to fraction form
    1,012,534.80/1,518,820.20 = 302,571.60/x
  3. Step 3: Cross multiply
    1,012,534.80x = 1,518,820.20 × 302,571.60
  4. Step 4: Simplify right side
    1,012,534.80x = 459,551,858,026.32
  5. Step 5: Solve for x
    x = 459,551,858,026.32/1,012,534.80
  6. Step 6: Final answer
    x = 453,862.78

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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.