Home / 1,109,109.90-1,663,664.85-735,132.90

Finding the Fourth Proportional to 1,109,109.90, 1,663,664.85 and 735,132.90

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Solution

The fourth proportional to 1,109,109.90, 1,663,664.85 and 735,132.90 is: 1,102,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,109.90 : 1,663,664.85 = 735,132.90 : x
  2. Step 2: Convert to fraction form
    1,109,109.90/1,663,664.85 = 735,132.90/x
  3. Step 3: Cross multiply
    1,109,109.90x = 1,663,664.85 × 735,132.90
  4. Step 4: Simplify right side
    1,109,109.90x = 1,223,014,765,808.57
  5. Step 5: Solve for x
    x = 1,223,014,765,808.57/1,109,109.90
  6. Step 6: Final answer
    x = 1,102,699.35

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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.