Home / 1,106,518.86-1,658,793.60-432,446.88

Finding the Fourth Proportional to 1,106,518.86, 1,658,793.60 and 432,446.88

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Solution

The fourth proportional to 1,106,518.86, 1,658,793.60 and 432,446.88 is: 648,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,518.86 : 1,658,793.60 = 432,446.88 : x
  2. Step 2: Convert to fraction form
    1,106,518.86/1,658,793.60 = 432,446.88/x
  3. Step 3: Cross multiply
    1,106,518.86x = 1,658,793.60 × 432,446.88
  4. Step 4: Simplify right side
    1,106,518.86x = 717,340,116,883.97
  5. Step 5: Solve for x
    x = 717,340,116,883.97/1,106,518.86
  6. Step 6: Final answer
    x = 648,285.49

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1.5x scale

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.