Home / 1,072,908.32-1,609,364.64-399,137.36

Finding the Fourth Proportional to 1,072,908.32, 1,609,364.64 and 399,137.36

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Solution

The fourth proportional to 1,072,908.32, 1,609,364.64 and 399,137.36 is: 598,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,908.32 : 1,609,364.64 = 399,137.36 : x
  2. Step 2: Convert to fraction form
    1,072,908.32/1,609,364.64 = 399,137.36/x
  3. Step 3: Cross multiply
    1,072,908.32x = 1,609,364.64 × 399,137.36
  4. Step 4: Simplify right side
    1,072,908.32x = 642,357,553,686.95
  5. Step 5: Solve for x
    x = 642,357,553,686.95/1,072,908.32
  6. Step 6: Final answer
    x = 598,706.84

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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.