Home / 1,109,108.40-1,663,662.60-735,131.40

Finding the Fourth Proportional to 1,109,108.40, 1,663,662.60 and 735,131.40

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Solution

The fourth proportional to 1,109,108.40, 1,663,662.60 and 735,131.40 is: 1,102,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,108.40 : 1,663,662.60 = 735,131.40 : x
  2. Step 2: Convert to fraction form
    1,109,108.40/1,663,662.60 = 735,131.40/x
  3. Step 3: Cross multiply
    1,109,108.40x = 1,663,662.60 × 735,131.40
  4. Step 4: Simplify right side
    1,109,108.40x = 1,223,010,616,265.64
  5. Step 5: Solve for x
    x = 1,223,010,616,265.64/1,109,108.40
  6. Step 6: Final answer
    x = 1,102,697.10

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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.