Home / 999,066.99-1,498,206.01-399,916.47

Finding the Fourth Proportional to 999,066.99, 1,498,206.01 and 399,916.47

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Solution

The fourth proportional to 999,066.99, 1,498,206.01 and 399,916.47 is: 599,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,066.99 : 1,498,206.01 = 399,916.47 : x
  2. Step 2: Convert to fraction form
    999,066.99/1,498,206.01 = 399,916.47/x
  3. Step 3: Cross multiply
    999,066.99x = 1,498,206.01 × 399,916.47
  4. Step 4: Simplify right side
    999,066.99x = 599,157,258,851.99
  5. Step 5: Solve for x
    x = 599,157,258,851.99/999,066.99
  6. Step 6: Final answer
    x = 599,716.80

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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.