Home / 1,421,010.60-2,131,418.70-461,452.20

Finding the Fourth Proportional to 1,421,010.60, 2,131,418.70 and 461,452.20

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Solution

The fourth proportional to 1,421,010.60, 2,131,418.70 and 461,452.20 is: 692,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,010.60 : 2,131,418.70 = 461,452.20 : x
  2. Step 2: Convert to fraction form
    1,421,010.60/2,131,418.70 = 461,452.20/x
  3. Step 3: Cross multiply
    1,421,010.60x = 2,131,418.70 × 461,452.20
  4. Step 4: Simplify right side
    1,421,010.60x = 983,547,848,236.14
  5. Step 5: Solve for x
    x = 983,547,848,236.14/1,421,010.60
  6. Step 6: Final answer
    x = 692,146.74

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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.