Home / 745,981.20-1,118,971.80-185,015.70

Finding the Fourth Proportional to 745,981.20, 1,118,971.80 and 185,015.70

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Solution

The fourth proportional to 745,981.20, 1,118,971.80 and 185,015.70 is: 277,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,981.20 : 1,118,971.80 = 185,015.70 : x
  2. Step 2: Convert to fraction form
    745,981.20/1,118,971.80 = 185,015.70/x
  3. Step 3: Cross multiply
    745,981.20x = 1,118,971.80 × 185,015.70
  4. Step 4: Simplify right side
    745,981.20x = 207,027,350,857.26
  5. Step 5: Solve for x
    x = 207,027,350,857.26/745,981.20
  6. Step 6: Final answer
    x = 277,523.55

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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.