Home / 1,220,066.50-1,828,830.48-409,849.84

Finding the Fourth Proportional to 1,220,066.50, 1,828,830.48 and 409,849.84

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Solution

The fourth proportional to 1,220,066.50, 1,828,830.48 and 409,849.84 is: 614,348.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,066.50 : 1,828,830.48 = 409,849.84 : x
  2. Step 2: Convert to fraction form
    1,220,066.50/1,828,830.48 = 409,849.84/x
  3. Step 3: Cross multiply
    1,220,066.50x = 1,828,830.48 × 409,849.84
  4. Step 4: Simplify right side
    1,220,066.50x = 749,545,879,615.12
  5. Step 5: Solve for x
    x = 749,545,879,615.12/1,220,066.50
  6. Step 6: Final answer
    x = 614,348.38

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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.