Home / 1,360,590.27-1,876,986.34-877,310.65

Finding the Fourth Proportional to 1,360,590.27, 1,876,986.34 and 877,310.65

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Solution

The fourth proportional to 1,360,590.27, 1,876,986.34 and 877,310.65 is: 1,210,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,590.27 : 1,876,986.34 = 877,310.65 : x
  2. Step 2: Convert to fraction form
    1,360,590.27/1,876,986.34 = 877,310.65/x
  3. Step 3: Cross multiply
    1,360,590.27x = 1,876,986.34 × 877,310.65
  4. Step 4: Simplify right side
    1,360,590.27x = 1,646,700,105,986.52
  5. Step 5: Solve for x
    x = 1,646,700,105,986.52/1,360,590.27
  6. Step 6: Final answer
    x = 1,210,283.61

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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.