Home / 1,759,280.80-2,638,575.60-577,328.80

Finding the Fourth Proportional to 1,759,280.80, 2,638,575.60 and 577,328.80

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Solution

The fourth proportional to 1,759,280.80, 2,638,575.60 and 577,328.80 is: 865,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,280.80 : 2,638,575.60 = 577,328.80 : x
  2. Step 2: Convert to fraction form
    1,759,280.80/2,638,575.60 = 577,328.80/x
  3. Step 3: Cross multiply
    1,759,280.80x = 2,638,575.60 × 577,328.80
  4. Step 4: Simplify right side
    1,759,280.80x = 1,523,325,684,857.28
  5. Step 5: Solve for x
    x = 1,523,325,684,857.28/1,759,280.80
  6. Step 6: Final answer
    x = 865,879.79

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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.