Home / 1,720,290.60-2,374,144.74-956,415.24

Finding the Fourth Proportional to 1,720,290.60, 2,374,144.74 and 956,415.24

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Solution

The fourth proportional to 1,720,290.60, 2,374,144.74 and 956,415.24 is: 1,319,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,290.60 : 2,374,144.74 = 956,415.24 : x
  2. Step 2: Convert to fraction form
    1,720,290.60/2,374,144.74 = 956,415.24/x
  3. Step 3: Cross multiply
    1,720,290.60x = 2,374,144.74 × 956,415.24
  4. Step 4: Simplify right side
    1,720,290.60x = 2,270,668,211,301.84
  5. Step 5: Solve for x
    x = 2,270,668,211,301.84/1,720,290.60
  6. Step 6: Final answer
    x = 1,319,932.93

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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.