Home / 1,247,971.08-1,872,189.82-500,075.40

Finding the Fourth Proportional to 1,247,971.08, 1,872,189.82 and 500,075.40

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Solution

The fourth proportional to 1,247,971.08, 1,872,189.82 and 500,075.40 is: 750,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,971.08 : 1,872,189.82 = 500,075.40 : x
  2. Step 2: Convert to fraction form
    1,247,971.08/1,872,189.82 = 500,075.40/x
  3. Step 3: Cross multiply
    1,247,971.08x = 1,872,189.82 × 500,075.40
  4. Step 4: Simplify right side
    1,247,971.08x = 936,236,073,112.43
  5. Step 5: Solve for x
    x = 936,236,073,112.43/1,247,971.08
  6. Step 6: Final answer
    x = 750,206.55

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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.