Home / 1,212,929.40-1,819,612.80-503,029.20

Finding the Fourth Proportional to 1,212,929.40, 1,819,612.80 and 503,029.20

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Solution

The fourth proportional to 1,212,929.40, 1,819,612.80 and 503,029.20 is: 754,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,929.40 : 1,819,612.80 = 503,029.20 : x
  2. Step 2: Convert to fraction form
    1,212,929.40/1,819,612.80 = 503,029.20/x
  3. Step 3: Cross multiply
    1,212,929.40x = 1,819,612.80 × 503,029.20
  4. Step 4: Simplify right side
    1,212,929.40x = 915,318,371,093.76
  5. Step 5: Solve for x
    x = 915,318,371,093.76/1,212,929.40
  6. Step 6: Final answer
    x = 754,634.50

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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.