Home / 1,220,564.12-1,830,638.42-322,014.52

Finding the Fourth Proportional to 1,220,564.12, 1,830,638.42 and 322,014.52

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Solution

The fourth proportional to 1,220,564.12, 1,830,638.42 and 322,014.52 is: 482,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,564.12 : 1,830,638.42 = 322,014.52 : x
  2. Step 2: Convert to fraction form
    1,220,564.12/1,830,638.42 = 322,014.52/x
  3. Step 3: Cross multiply
    1,220,564.12x = 1,830,638.42 × 322,014.52
  4. Step 4: Simplify right side
    1,220,564.12x = 589,492,141,346.59
  5. Step 5: Solve for x
    x = 589,492,141,346.59/1,220,564.12
  6. Step 6: Final answer
    x = 482,966.96

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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.