Home / 1,473,201-2,209,795.20-408,240

Finding the Fourth Proportional to 1,473,201, 2,209,795.20 and 408,240

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Solution

The fourth proportional to 1,473,201, 2,209,795.20 and 408,240 is: 612,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,201 : 2,209,795.20 = 408,240 : x
  2. Step 2: Convert to fraction form
    1,473,201/2,209,795.20 = 408,240/x
  3. Step 3: Cross multiply
    1,473,201x = 2,209,795.20 × 408,240
  4. Step 4: Simplify right side
    1,473,201x = 902,126,792,448.00
  5. Step 5: Solve for x
    x = 902,126,792,448.00/1,473,201
  6. Step 6: Final answer
    x = 612,358.25

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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.