Home / 1,400,009.85-2,100,450.69-501,459.35

Finding the Fourth Proportional to 1,400,009.85, 2,100,450.69 and 501,459.35

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Solution

The fourth proportional to 1,400,009.85, 2,100,450.69 and 501,459.35 is: 752,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,009.85 : 2,100,450.69 = 501,459.35 : x
  2. Step 2: Convert to fraction form
    1,400,009.85/2,100,450.69 = 501,459.35/x
  3. Step 3: Cross multiply
    1,400,009.85x = 2,100,450.69 × 501,459.35
  4. Step 4: Simplify right side
    1,400,009.85x = 1,053,290,627,212.20
  5. Step 5: Solve for x
    x = 1,053,290,627,212.20/1,400,009.85
  6. Step 6: Final answer
    x = 752,345.15

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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.