Home / 1,411,390.02-2,117,216.16-400,536.78

Finding the Fourth Proportional to 1,411,390.02, 2,117,216.16 and 400,536.78

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Solution

The fourth proportional to 1,411,390.02, 2,117,216.16 and 400,536.78 is: 600,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,390.02 : 2,117,216.16 = 400,536.78 : x
  2. Step 2: Convert to fraction form
    1,411,390.02/2,117,216.16 = 400,536.78/x
  3. Step 3: Cross multiply
    1,411,390.02x = 2,117,216.16 × 400,536.78
  4. Step 4: Simplify right side
    1,411,390.02x = 848,022,943,290.37
  5. Step 5: Solve for x
    x = 848,022,943,290.37/1,411,390.02
  6. Step 6: Final answer
    x = 600,842.38

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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.