Home / 1,212,926.40-1,819,389.60-976,730.40

Finding the Fourth Proportional to 1,212,926.40, 1,819,389.60 and 976,730.40

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Solution

The fourth proportional to 1,212,926.40, 1,819,389.60 and 976,730.40 is: 1,465,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,926.40 : 1,819,389.60 = 976,730.40 : x
  2. Step 2: Convert to fraction form
    1,212,926.40/1,819,389.60 = 976,730.40/x
  3. Step 3: Cross multiply
    1,212,926.40x = 1,819,389.60 × 976,730.40
  4. Step 4: Simplify right side
    1,212,926.40x = 1,777,053,131,763.84
  5. Step 5: Solve for x
    x = 1,777,053,131,763.84/1,212,926.40
  6. Step 6: Final answer
    x = 1,465,095.60

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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.