Home / 1,255,968.80-1,884,068.40-414,522.40

Finding the Fourth Proportional to 1,255,968.80, 1,884,068.40 and 414,522.40

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Solution

The fourth proportional to 1,255,968.80, 1,884,068.40 and 414,522.40 is: 621,821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,968.80 : 1,884,068.40 = 414,522.40 : x
  2. Step 2: Convert to fraction form
    1,255,968.80/1,884,068.40 = 414,522.40/x
  3. Step 3: Cross multiply
    1,255,968.80x = 1,884,068.40 × 414,522.40
  4. Step 4: Simplify right side
    1,255,968.80x = 780,988,554,932.16
  5. Step 5: Solve for x
    x = 780,988,554,932.16/1,255,968.80
  6. Step 6: Final answer
    x = 621,821.62

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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.