Home / 1,512,008.40-2,268,012.60-976,630.80

Finding the Fourth Proportional to 1,512,008.40, 2,268,012.60 and 976,630.80

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Solution

The fourth proportional to 1,512,008.40, 2,268,012.60 and 976,630.80 is: 1,464,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,008.40 : 2,268,012.60 = 976,630.80 : x
  2. Step 2: Convert to fraction form
    1,512,008.40/2,268,012.60 = 976,630.80/x
  3. Step 3: Cross multiply
    1,512,008.40x = 2,268,012.60 × 976,630.80
  4. Step 4: Simplify right side
    1,512,008.40x = 2,215,010,959,948.08
  5. Step 5: Solve for x
    x = 2,215,010,959,948.08/1,512,008.40
  6. Step 6: Final answer
    x = 1,464,946.20

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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.