Home / 1,721,013.80-2,374,768.68-956,920.28

Finding the Fourth Proportional to 1,721,013.80, 2,374,768.68 and 956,920.28

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Solution

The fourth proportional to 1,721,013.80, 2,374,768.68 and 956,920.28 is: 1,320,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,013.80 : 2,374,768.68 = 956,920.28 : x
  2. Step 2: Convert to fraction form
    1,721,013.80/2,374,768.68 = 956,920.28/x
  3. Step 3: Cross multiply
    1,721,013.80x = 2,374,768.68 × 956,920.28
  4. Step 4: Simplify right side
    1,721,013.80x = 2,272,464,310,200.83
  5. Step 5: Solve for x
    x = 2,272,464,310,200.83/1,721,013.80
  6. Step 6: Final answer
    x = 1,320,421.90

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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.