Home / 1,221,282.93-1,831,929.09-510,812.58

Finding the Fourth Proportional to 1,221,282.93, 1,831,929.09 and 510,812.58

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Solution

The fourth proportional to 1,221,282.93, 1,831,929.09 and 510,812.58 is: 766,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,282.93 : 1,831,929.09 = 510,812.58 : x
  2. Step 2: Convert to fraction form
    1,221,282.93/1,831,929.09 = 510,812.58/x
  3. Step 3: Cross multiply
    1,221,282.93x = 1,831,929.09 × 510,812.58
  4. Step 4: Simplify right side
    1,221,282.93x = 935,772,424,839.95
  5. Step 5: Solve for x
    x = 935,772,424,839.95/1,221,282.93
  6. Step 6: Final answer
    x = 766,220.83

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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.