Home / 1,508,031.48-2,081,030.76-828,963.12

Finding the Fourth Proportional to 1,508,031.48, 2,081,030.76 and 828,963.12

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Solution

The fourth proportional to 1,508,031.48, 2,081,030.76 and 828,963.12 is: 1,143,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,031.48 : 2,081,030.76 = 828,963.12 : x
  2. Step 2: Convert to fraction form
    1,508,031.48/2,081,030.76 = 828,963.12/x
  3. Step 3: Cross multiply
    1,508,031.48x = 2,081,030.76 × 828,963.12
  4. Step 4: Simplify right side
    1,508,031.48x = 1,725,097,751,625.57
  5. Step 5: Solve for x
    x = 1,725,097,751,625.57/1,508,031.48
  6. Step 6: Final answer
    x = 1,143,940.15

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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.