Home / 1,275,937.80-1,913,843.04-477,160.62

Finding the Fourth Proportional to 1,275,937.80, 1,913,843.04 and 477,160.62

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Solution

The fourth proportional to 1,275,937.80, 1,913,843.04 and 477,160.62 is: 715,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,937.80 : 1,913,843.04 = 477,160.62 : x
  2. Step 2: Convert to fraction form
    1,275,937.80/1,913,843.04 = 477,160.62/x
  3. Step 3: Cross multiply
    1,275,937.80x = 1,913,843.04 × 477,160.62
  4. Step 4: Simplify right side
    1,275,937.80x = 913,210,531,549.09
  5. Step 5: Solve for x
    x = 913,210,531,549.09/1,275,937.80
  6. Step 6: Final answer
    x = 715,717.12

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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.