Home / 1,643,940.45-2,466,156.09-506,608.11

Finding the Fourth Proportional to 1,643,940.45, 2,466,156.09 and 506,608.11

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Solution

The fourth proportional to 1,643,940.45, 2,466,156.09 and 506,608.11 is: 759,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,940.45 : 2,466,156.09 = 506,608.11 : x
  2. Step 2: Convert to fraction form
    1,643,940.45/2,466,156.09 = 506,608.11/x
  3. Step 3: Cross multiply
    1,643,940.45x = 2,466,156.09 × 506,608.11
  4. Step 4: Simplify right side
    1,643,940.45x = 1,249,374,675,719.89
  5. Step 5: Solve for x
    x = 1,249,374,675,719.89/1,643,940.45
  6. Step 6: Final answer
    x = 759,987.79

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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.