Home / 1,416,917.52-2,125,385.85-517,989.45

Finding the Fourth Proportional to 1,416,917.52, 2,125,385.85 and 517,989.45

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Solution

The fourth proportional to 1,416,917.52, 2,125,385.85 and 517,989.45 is: 776,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,917.52 : 2,125,385.85 = 517,989.45 : x
  2. Step 2: Convert to fraction form
    1,416,917.52/2,125,385.85 = 517,989.45/x
  3. Step 3: Cross multiply
    1,416,917.52x = 2,125,385.85 × 517,989.45
  4. Step 4: Simplify right side
    1,416,917.52x = 1,100,927,447,479.28
  5. Step 5: Solve for x
    x = 1,100,927,447,479.28/1,416,917.52
  6. Step 6: Final answer
    x = 776,987.67

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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.