Home / 1,549,503.40-2,138,514.44-870,571.12

Finding the Fourth Proportional to 1,549,503.40, 2,138,514.44 and 870,571.12

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Solution

The fourth proportional to 1,549,503.40, 2,138,514.44 and 870,571.12 is: 1,201,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,503.40 : 2,138,514.44 = 870,571.12 : x
  2. Step 2: Convert to fraction form
    1,549,503.40/2,138,514.44 = 870,571.12/x
  3. Step 3: Cross multiply
    1,549,503.40x = 2,138,514.44 × 870,571.12
  4. Step 4: Simplify right side
    1,549,503.40x = 1,861,728,911,166.97
  5. Step 5: Solve for x
    x = 1,861,728,911,166.97/1,549,503.40
  6. Step 6: Final answer
    x = 1,201,500.37

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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.