Home / 1,078,931.23-1,617,880.46-509,837.38

Finding the Fourth Proportional to 1,078,931.23, 1,617,880.46 and 509,837.38

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Solution

The fourth proportional to 1,078,931.23, 1,617,880.46 and 509,837.38 is: 764,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,931.23 : 1,617,880.46 = 509,837.38 : x
  2. Step 2: Convert to fraction form
    1,078,931.23/1,617,880.46 = 509,837.38/x
  3. Step 3: Cross multiply
    1,078,931.23x = 1,617,880.46 × 509,837.38
  4. Step 4: Simplify right side
    1,078,931.23x = 824,855,932,109.49
  5. Step 5: Solve for x
    x = 824,855,932,109.49/1,078,931.23
  6. Step 6: Final answer
    x = 764,512.06

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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.