Home / 1,387,473.80-2,080,692.30-545,851.40

Finding the Fourth Proportional to 1,387,473.80, 2,080,692.30 and 545,851.40

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Solution

The fourth proportional to 1,387,473.80, 2,080,692.30 and 545,851.40 is: 818,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,473.80 : 2,080,692.30 = 545,851.40 : x
  2. Step 2: Convert to fraction form
    1,387,473.80/2,080,692.30 = 545,851.40/x
  3. Step 3: Cross multiply
    1,387,473.80x = 2,080,692.30 × 545,851.40
  4. Step 4: Simplify right side
    1,387,473.80x = 1,135,748,804,924.22
  5. Step 5: Solve for x
    x = 1,135,748,804,924.22/1,387,473.80
  6. Step 6: Final answer
    x = 818,573.15

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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.