Home / 1,721,421.77-2,375,555.73-957,475.40

Finding the Fourth Proportional to 1,721,421.77, 2,375,555.73 and 957,475.40

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Solution

The fourth proportional to 1,721,421.77, 2,375,555.73 and 957,475.40 is: 1,321,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,421.77 : 2,375,555.73 = 957,475.40 : x
  2. Step 2: Convert to fraction form
    1,721,421.77/2,375,555.73 = 957,475.40/x
  3. Step 3: Cross multiply
    1,721,421.77x = 2,375,555.73 × 957,475.40
  4. Step 4: Simplify right side
    1,721,421.77x = 2,274,536,172,804.04
  5. Step 5: Solve for x
    x = 2,274,536,172,804.04/1,721,421.77
  6. Step 6: Final answer
    x = 1,321,312.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.