Home / 1,078,644.60-1,618,550.10-447,622.20

Finding the Fourth Proportional to 1,078,644.60, 1,618,550.10 and 447,622.20

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Solution

The fourth proportional to 1,078,644.60, 1,618,550.10 and 447,622.20 is: 671,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,644.60 : 1,618,550.10 = 447,622.20 : x
  2. Step 2: Convert to fraction form
    1,078,644.60/1,618,550.10 = 447,622.20/x
  3. Step 3: Cross multiply
    1,078,644.60x = 1,618,550.10 × 447,622.20
  4. Step 4: Simplify right side
    1,078,644.60x = 724,498,956,572.22
  5. Step 5: Solve for x
    x = 724,498,956,572.22/1,078,644.60
  6. Step 6: Final answer
    x = 671,675.32

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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.