Home / 876,751.52-1,210,752.71-828,986.76

Finding the Fourth Proportional to 876,751.52, 1,210,752.71 and 828,986.76

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Solution

The fourth proportional to 876,751.52, 1,210,752.71 and 828,986.76 is: 1,144,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,751.52 : 1,210,752.71 = 828,986.76 : x
  2. Step 2: Convert to fraction form
    876,751.52/1,210,752.71 = 828,986.76/x
  3. Step 3: Cross multiply
    876,751.52x = 1,210,752.71 × 828,986.76
  4. Step 4: Simplify right side
    876,751.52x = 1,003,697,960,170.36
  5. Step 5: Solve for x
    x = 1,003,697,960,170.36/876,751.52
  6. Step 6: Final answer
    x = 1,144,791.81

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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.