Home / 1,296,095.10-1,944,142.65-821,370.30

Finding the Fourth Proportional to 1,296,095.10, 1,944,142.65 and 821,370.30

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Solution

The fourth proportional to 1,296,095.10, 1,944,142.65 and 821,370.30 is: 1,232,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,095.10 : 1,944,142.65 = 821,370.30 : x
  2. Step 2: Convert to fraction form
    1,296,095.10/1,944,142.65 = 821,370.30/x
  3. Step 3: Cross multiply
    1,296,095.10x = 1,944,142.65 × 821,370.30
  4. Step 4: Simplify right side
    1,296,095.10x = 1,596,861,031,673.30
  5. Step 5: Solve for x
    x = 1,596,861,031,673.30/1,296,095.10
  6. Step 6: Final answer
    x = 1,232,055.45

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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.