Home / 1,048,480.86-1,572,718.64-290,319.80

Finding the Fourth Proportional to 1,048,480.86, 1,572,718.64 and 290,319.80

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Solution

The fourth proportional to 1,048,480.86, 1,572,718.64 and 290,319.80 is: 435,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,480.86 : 1,572,718.64 = 290,319.80 : x
  2. Step 2: Convert to fraction form
    1,048,480.86/1,572,718.64 = 290,319.80/x
  3. Step 3: Cross multiply
    1,048,480.86x = 1,572,718.64 × 290,319.80
  4. Step 4: Simplify right side
    1,048,480.86x = 456,591,361,021.07
  5. Step 5: Solve for x
    x = 456,591,361,021.07/1,048,480.86
  6. Step 6: Final answer
    x = 435,478.97

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1.5x scale

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.