Home / 1,488,143.65-2,053,628.04-809,080.15

Finding the Fourth Proportional to 1,488,143.65, 2,053,628.04 and 809,080.15

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Solution

The fourth proportional to 1,488,143.65, 2,053,628.04 and 809,080.15 is: 1,116,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,143.65 : 2,053,628.04 = 809,080.15 : x
  2. Step 2: Convert to fraction form
    1,488,143.65/2,053,628.04 = 809,080.15/x
  3. Step 3: Cross multiply
    1,488,143.65x = 2,053,628.04 × 809,080.15
  4. Step 4: Simplify right side
    1,488,143.65x = 1,661,549,682,647.41
  5. Step 5: Solve for x
    x = 1,661,549,682,647.41/1,488,143.65
  6. Step 6: Final answer
    x = 1,116,525.06

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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.