Home / 1,019,809.80-1,529,058.06-877,698.36

Finding the Fourth Proportional to 1,019,809.80, 1,529,058.06 and 877,698.36

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Solution

The fourth proportional to 1,019,809.80, 1,529,058.06 and 877,698.36 is: 1,315,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,809.80 : 1,529,058.06 = 877,698.36 : x
  2. Step 2: Convert to fraction form
    1,019,809.80/1,529,058.06 = 877,698.36/x
  3. Step 3: Cross multiply
    1,019,809.80x = 1,529,058.06 × 877,698.36
  4. Step 4: Simplify right side
    1,019,809.80x = 1,342,051,751,606.78
  5. Step 5: Solve for x
    x = 1,342,051,751,606.78/1,019,809.80
  6. Step 6: Final answer
    x = 1,315,982.40

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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.