Home / 1,012,115.80-1,518,343.80-302,215.60

Finding the Fourth Proportional to 1,012,115.80, 1,518,343.80 and 302,215.60

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Solution

The fourth proportional to 1,012,115.80, 1,518,343.80 and 302,215.60 is: 453,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,115.80 : 1,518,343.80 = 302,215.60 : x
  2. Step 2: Convert to fraction form
    1,012,115.80/1,518,343.80 = 302,215.60/x
  3. Step 3: Cross multiply
    1,012,115.80x = 1,518,343.80 × 302,215.60
  4. Step 4: Simplify right side
    1,012,115.80x = 458,867,182,523.28
  5. Step 5: Solve for x
    x = 458,867,182,523.28/1,012,115.80
  6. Step 6: Final answer
    x = 453,374.19

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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.