Home / 1,409,061-2,113,147.82-462,211.72

Finding the Fourth Proportional to 1,409,061, 2,113,147.82 and 462,211.72

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Solution

The fourth proportional to 1,409,061, 2,113,147.82 and 462,211.72 is: 693,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,061 : 2,113,147.82 = 462,211.72 : x
  2. Step 2: Convert to fraction form
    1,409,061/2,113,147.82 = 462,211.72/x
  3. Step 3: Cross multiply
    1,409,061x = 2,113,147.82 × 462,211.72
  4. Step 4: Simplify right side
    1,409,061x = 976,721,688,496.45
  5. Step 5: Solve for x
    x = 976,721,688,496.45/1,409,061
  6. Step 6: Final answer
    x = 693,172.04

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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.