Home / 1,361,143.50-1,878,378.06-757,674.06

Finding the Fourth Proportional to 1,361,143.50, 1,878,378.06 and 757,674.06

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Solution

The fourth proportional to 1,361,143.50, 1,878,378.06 and 757,674.06 is: 1,045,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,143.50 : 1,878,378.06 = 757,674.06 : x
  2. Step 2: Convert to fraction form
    1,361,143.50/1,878,378.06 = 757,674.06/x
  3. Step 3: Cross multiply
    1,361,143.50x = 1,878,378.06 × 757,674.06
  4. Step 4: Simplify right side
    1,361,143.50x = 1,423,198,330,935.12
  5. Step 5: Solve for x
    x = 1,423,198,330,935.12/1,361,143.50
  6. Step 6: Final answer
    x = 1,045,590.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.