Home / 1,295,387.80-1,943,081.70-846,615.40

Finding the Fourth Proportional to 1,295,387.80, 1,943,081.70 and 846,615.40

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Solution

The fourth proportional to 1,295,387.80, 1,943,081.70 and 846,615.40 is: 1,269,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,387.80 : 1,943,081.70 = 846,615.40 : x
  2. Step 2: Convert to fraction form
    1,295,387.80/1,943,081.70 = 846,615.40/x
  3. Step 3: Cross multiply
    1,295,387.80x = 1,943,081.70 × 846,615.40
  4. Step 4: Simplify right side
    1,295,387.80x = 1,645,042,890,678.18
  5. Step 5: Solve for x
    x = 1,645,042,890,678.18/1,295,387.80
  6. Step 6: Final answer
    x = 1,269,923.10

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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.