Home / 1,012,114.80-1,518,342.30-302,214.60

Finding the Fourth Proportional to 1,012,114.80, 1,518,342.30 and 302,214.60

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Solution

The fourth proportional to 1,012,114.80, 1,518,342.30 and 302,214.60 is: 453,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,114.80 : 1,518,342.30 = 302,214.60 : x
  2. Step 2: Convert to fraction form
    1,012,114.80/1,518,342.30 = 302,214.60/x
  3. Step 3: Cross multiply
    1,012,114.80x = 1,518,342.30 × 302,214.60
  4. Step 4: Simplify right side
    1,012,114.80x = 458,865,210,857.58
  5. Step 5: Solve for x
    x = 458,865,210,857.58/1,012,114.80
  6. Step 6: Final answer
    x = 453,372.69

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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.