Home / 1,101,821.80-1,650,764.40-901,055.20

Finding the Fourth Proportional to 1,101,821.80, 1,650,764.40 and 901,055.20

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Solution

The fourth proportional to 1,101,821.80, 1,650,764.40 and 901,055.20 is: 1,349,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,821.80 : 1,650,764.40 = 901,055.20 : x
  2. Step 2: Convert to fraction form
    1,101,821.80/1,650,764.40 = 901,055.20/x
  3. Step 3: Cross multiply
    1,101,821.80x = 1,650,764.40 × 901,055.20
  4. Step 4: Simplify right side
    1,101,821.80x = 1,487,429,846,594.88
  5. Step 5: Solve for x
    x = 1,487,429,846,594.88/1,101,821.80
  6. Step 6: Final answer
    x = 1,349,973.15

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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.