Home / 1,070,343.44-1,605,782.72-755,415.44

Finding the Fourth Proportional to 1,070,343.44, 1,605,782.72 and 755,415.44

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Solution

The fourth proportional to 1,070,343.44, 1,605,782.72 and 755,415.44 is: 1,133,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,343.44 : 1,605,782.72 = 755,415.44 : x
  2. Step 2: Convert to fraction form
    1,070,343.44/1,605,782.72 = 755,415.44/x
  3. Step 3: Cross multiply
    1,070,343.44x = 1,605,782.72 × 755,415.44
  4. Step 4: Simplify right side
    1,070,343.44x = 1,213,033,059,973.20
  5. Step 5: Solve for x
    x = 1,213,033,059,973.20/1,070,343.44
  6. Step 6: Final answer
    x = 1,133,312.00

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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.