Home / 1,228,455.16-1,842,945.18-429,762.76

Finding the Fourth Proportional to 1,228,455.16, 1,842,945.18 and 429,762.76

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Solution

The fourth proportional to 1,228,455.16, 1,842,945.18 and 429,762.76 is: 644,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,455.16 : 1,842,945.18 = 429,762.76 : x
  2. Step 2: Convert to fraction form
    1,228,455.16/1,842,945.18 = 429,762.76/x
  3. Step 3: Cross multiply
    1,228,455.16x = 1,842,945.18 × 429,762.76
  4. Step 4: Simplify right side
    1,228,455.16x = 792,029,214,859.21
  5. Step 5: Solve for x
    x = 792,029,214,859.21/1,228,455.16
  6. Step 6: Final answer
    x = 644,735.96

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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.