Home / 1,643,119.95-2,464,307.31-743,968.11

Finding the Fourth Proportional to 1,643,119.95, 2,464,307.31 and 743,968.11

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Solution

The fourth proportional to 1,643,119.95, 2,464,307.31 and 743,968.11 is: 1,115,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,119.95 : 2,464,307.31 = 743,968.11 : x
  2. Step 2: Convert to fraction form
    1,643,119.95/2,464,307.31 = 743,968.11/x
  3. Step 3: Cross multiply
    1,643,119.95x = 2,464,307.31 × 743,968.11
  4. Step 4: Simplify right side
    1,643,119.95x = 1,833,366,051,879.88
  5. Step 5: Solve for x
    x = 1,833,366,051,879.88/1,643,119.95
  6. Step 6: Final answer
    x = 1,115,783.45

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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.