Home / 990,063.20-1,483,345.20-927,077.60

Finding the Fourth Proportional to 990,063.20, 1,483,345.20 and 927,077.60

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Solution

The fourth proportional to 990,063.20, 1,483,345.20 and 927,077.60 is: 1,388,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,063.20 : 1,483,345.20 = 927,077.60 : x
  2. Step 2: Convert to fraction form
    990,063.20/1,483,345.20 = 927,077.60/x
  3. Step 3: Cross multiply
    990,063.20x = 1,483,345.20 × 927,077.60
  4. Step 4: Simplify right side
    990,063.20x = 1,375,176,107,987.52
  5. Step 5: Solve for x
    x = 1,375,176,107,987.52/990,063.20
  6. Step 6: Final answer
    x = 1,388,978.11

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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.