Home / 1,379,368.40-2,067,821.40-537,724.40

Finding the Fourth Proportional to 1,379,368.40, 2,067,821.40 and 537,724.40

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Solution

The fourth proportional to 1,379,368.40, 2,067,821.40 and 537,724.40 is: 806,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,368.40 : 2,067,821.40 = 537,724.40 : x
  2. Step 2: Convert to fraction form
    1,379,368.40/2,067,821.40 = 537,724.40/x
  3. Step 3: Cross multiply
    1,379,368.40x = 2,067,821.40 × 537,724.40
  4. Step 4: Simplify right side
    1,379,368.40x = 1,111,918,021,622.16
  5. Step 5: Solve for x
    x = 1,111,918,021,622.16/1,379,368.40
  6. Step 6: Final answer
    x = 806,106.64

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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.