Home / 1,242,070.20-1,864,198.80-735,998.40

Finding the Fourth Proportional to 1,242,070.20, 1,864,198.80 and 735,998.40

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Solution

The fourth proportional to 1,242,070.20, 1,864,198.80 and 735,998.40 is: 1,104,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,070.20 : 1,864,198.80 = 735,998.40 : x
  2. Step 2: Convert to fraction form
    1,242,070.20/1,864,198.80 = 735,998.40/x
  3. Step 3: Cross multiply
    1,242,070.20x = 1,864,198.80 × 735,998.40
  4. Step 4: Simplify right side
    1,242,070.20x = 1,372,047,334,081.92
  5. Step 5: Solve for x
    x = 1,372,047,334,081.92/1,242,070.20
  6. Step 6: Final answer
    x = 1,104,645.56

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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.