Home / 1,020,859.51-1,531,172.52-272,963.83

Finding the Fourth Proportional to 1,020,859.51, 1,531,172.52 and 272,963.83

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Solution

The fourth proportional to 1,020,859.51, 1,531,172.52 and 272,963.83 is: 409,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,859.51 : 1,531,172.52 = 272,963.83 : x
  2. Step 2: Convert to fraction form
    1,020,859.51/1,531,172.52 = 272,963.83/x
  3. Step 3: Cross multiply
    1,020,859.51x = 1,531,172.52 × 272,963.83
  4. Step 4: Simplify right side
    1,020,859.51x = 417,954,711,622.02
  5. Step 5: Solve for x
    x = 417,954,711,622.02/1,020,859.51
  6. Step 6: Final answer
    x = 409,414.53

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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.