Home / 993,973.20-1,487,460.60-909,992.40

Finding the Fourth Proportional to 993,973.20, 1,487,460.60 and 909,992.40

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Solution

The fourth proportional to 993,973.20, 1,487,460.60 and 909,992.40 is: 1,361,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,973.20 : 1,487,460.60 = 909,992.40 : x
  2. Step 2: Convert to fraction form
    993,973.20/1,487,460.60 = 909,992.40/x
  3. Step 3: Cross multiply
    993,973.20x = 1,487,460.60 × 909,992.40
  4. Step 4: Simplify right side
    993,973.20x = 1,353,577,841,299.44
  5. Step 5: Solve for x
    x = 1,353,577,841,299.44/993,973.20
  6. Step 6: Final answer
    x = 1,361,785.05

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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.