Home / 1,072,908-1,606,911.84-512,336.16

Finding the Fourth Proportional to 1,072,908, 1,606,911.84 and 512,336.16

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Solution

The fourth proportional to 1,072,908, 1,606,911.84 and 512,336.16 is: 767,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,908 : 1,606,911.84 = 512,336.16 : x
  2. Step 2: Convert to fraction form
    1,072,908/1,606,911.84 = 512,336.16/x
  3. Step 3: Cross multiply
    1,072,908x = 1,606,911.84 × 512,336.16
  4. Step 4: Simplify right side
    1,072,908x = 823,279,041,564.13
  5. Step 5: Solve for x
    x = 823,279,041,564.13/1,072,908
  6. Step 6: Final answer
    x = 767,334.24

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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.