Home / 1,720,289.60-2,374,143.36-956,414.24

Finding the Fourth Proportional to 1,720,289.60, 2,374,143.36 and 956,414.24

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Solution

The fourth proportional to 1,720,289.60, 2,374,143.36 and 956,414.24 is: 1,319,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,289.60 : 2,374,143.36 = 956,414.24 : x
  2. Step 2: Convert to fraction form
    1,720,289.60/2,374,143.36 = 956,414.24/x
  3. Step 3: Cross multiply
    1,720,289.60x = 2,374,143.36 × 956,414.24
  4. Step 4: Simplify right side
    1,720,289.60x = 2,270,664,517,305.45
  5. Step 5: Solve for x
    x = 2,270,664,517,305.45/1,720,289.60
  6. Step 6: Final answer
    x = 1,319,931.55

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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.