Home / 1,206,221.80-1,810,023.90-458,804.20

Finding the Fourth Proportional to 1,206,221.80, 1,810,023.90 and 458,804.20

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Solution

The fourth proportional to 1,206,221.80, 1,810,023.90 and 458,804.20 is: 688,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,221.80 : 1,810,023.90 = 458,804.20 : x
  2. Step 2: Convert to fraction form
    1,206,221.80/1,810,023.90 = 458,804.20/x
  3. Step 3: Cross multiply
    1,206,221.80x = 1,810,023.90 × 458,804.20
  4. Step 4: Simplify right side
    1,206,221.80x = 830,446,567,420.38
  5. Step 5: Solve for x
    x = 830,446,567,420.38/1,206,221.80
  6. Step 6: Final answer
    x = 688,469.21

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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.