Home / 1,218,701.60-1,828,570.80-587,290.40

Finding the Fourth Proportional to 1,218,701.60, 1,828,570.80 and 587,290.40

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Solution

The fourth proportional to 1,218,701.60, 1,828,570.80 and 587,290.40 is: 881,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,701.60 : 1,828,570.80 = 587,290.40 : x
  2. Step 2: Convert to fraction form
    1,218,701.60/1,828,570.80 = 587,290.40/x
  3. Step 3: Cross multiply
    1,218,701.60x = 1,828,570.80 × 587,290.40
  4. Step 4: Simplify right side
    1,218,701.60x = 1,073,902,076,560.32
  5. Step 5: Solve for x
    x = 1,073,902,076,560.32/1,218,701.60
  6. Step 6: Final answer
    x = 881,185.42

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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.