Home / 1,168,859.80-1,753,289.70-712,214.20

Finding the Fourth Proportional to 1,168,859.80, 1,753,289.70 and 712,214.20

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Solution

The fourth proportional to 1,168,859.80, 1,753,289.70 and 712,214.20 is: 1,068,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,859.80 : 1,753,289.70 = 712,214.20 : x
  2. Step 2: Convert to fraction form
    1,168,859.80/1,753,289.70 = 712,214.20/x
  3. Step 3: Cross multiply
    1,168,859.80x = 1,753,289.70 × 712,214.20
  4. Step 4: Simplify right side
    1,168,859.80x = 1,248,717,821,053.74
  5. Step 5: Solve for x
    x = 1,248,717,821,053.74/1,168,859.80
  6. Step 6: Final answer
    x = 1,068,321.30

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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.