Home / 1,085,332.80-1,627,999.20-875,380.80

Finding the Fourth Proportional to 1,085,332.80, 1,627,999.20 and 875,380.80

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Solution

The fourth proportional to 1,085,332.80, 1,627,999.20 and 875,380.80 is: 1,313,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,332.80 : 1,627,999.20 = 875,380.80 : x
  2. Step 2: Convert to fraction form
    1,085,332.80/1,627,999.20 = 875,380.80/x
  3. Step 3: Cross multiply
    1,085,332.80x = 1,627,999.20 × 875,380.80
  4. Step 4: Simplify right side
    1,085,332.80x = 1,425,119,242,095.36
  5. Step 5: Solve for x
    x = 1,425,119,242,095.36/1,085,332.80
  6. Step 6: Final answer
    x = 1,313,071.20

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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.