Home / 1,012,669.20-1,518,809.40-302,720.40

Finding the Fourth Proportional to 1,012,669.20, 1,518,809.40 and 302,720.40

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Solution

The fourth proportional to 1,012,669.20, 1,518,809.40 and 302,720.40 is: 454,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,669.20 : 1,518,809.40 = 302,720.40 : x
  2. Step 2: Convert to fraction form
    1,012,669.20/1,518,809.40 = 302,720.40/x
  3. Step 3: Cross multiply
    1,012,669.20x = 1,518,809.40 × 302,720.40
  4. Step 4: Simplify right side
    1,012,669.20x = 459,774,589,091.76
  5. Step 5: Solve for x
    x = 459,774,589,091.76/1,012,669.20
  6. Step 6: Final answer
    x = 454,022.49

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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.