Home / 1,429,356.84-1,972,516.32-784,818.84

Finding the Fourth Proportional to 1,429,356.84, 1,972,516.32 and 784,818.84

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Solution

The fourth proportional to 1,429,356.84, 1,972,516.32 and 784,818.84 is: 1,083,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,356.84 : 1,972,516.32 = 784,818.84 : x
  2. Step 2: Convert to fraction form
    1,429,356.84/1,972,516.32 = 784,818.84/x
  3. Step 3: Cross multiply
    1,429,356.84x = 1,972,516.32 × 784,818.84
  4. Step 4: Simplify right side
    1,429,356.84x = 1,548,067,970,143.47
  5. Step 5: Solve for x
    x = 1,548,067,970,143.47/1,429,356.84
  6. Step 6: Final answer
    x = 1,083,052.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.