Home / 1,418,940.12-2,126,561.94-576,507

Finding the Fourth Proportional to 1,418,940.12, 2,126,561.94 and 576,507

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Solution

The fourth proportional to 1,418,940.12, 2,126,561.94 and 576,507 is: 864,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,940.12 : 2,126,561.94 = 576,507 : x
  2. Step 2: Convert to fraction form
    1,418,940.12/2,126,561.94 = 576,507/x
  3. Step 3: Cross multiply
    1,418,940.12x = 2,126,561.94 × 576,507
  4. Step 4: Simplify right side
    1,418,940.12x = 1,225,977,844,343.58
  5. Step 5: Solve for x
    x = 1,225,977,844,343.58/1,418,940.12
  6. Step 6: Final answer
    x = 864,009.57

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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.