Home / 1,117,626.48-1,542,281.68-634,162.80

Finding the Fourth Proportional to 1,117,626.48, 1,542,281.68 and 634,162.80

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Solution

The fourth proportional to 1,117,626.48, 1,542,281.68 and 634,162.80 is: 875,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,626.48 : 1,542,281.68 = 634,162.80 : x
  2. Step 2: Convert to fraction form
    1,117,626.48/1,542,281.68 = 634,162.80/x
  3. Step 3: Cross multiply
    1,117,626.48x = 1,542,281.68 × 634,162.80
  4. Step 4: Simplify right side
    1,117,626.48x = 978,057,668,577.50
  5. Step 5: Solve for x
    x = 978,057,668,577.50/1,117,626.48
  6. Step 6: Final answer
    x = 875,120.34

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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.