Home / 1,577,142.80-2,365,195.80-579,741.20

Finding the Fourth Proportional to 1,577,142.80, 2,365,195.80 and 579,741.20

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Solution

The fourth proportional to 1,577,142.80, 2,365,195.80 and 579,741.20 is: 869,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,142.80 : 2,365,195.80 = 579,741.20 : x
  2. Step 2: Convert to fraction form
    1,577,142.80/2,365,195.80 = 579,741.20/x
  3. Step 3: Cross multiply
    1,577,142.80x = 2,365,195.80 × 579,741.20
  4. Step 4: Simplify right side
    1,577,142.80x = 1,371,201,451,326.96
  5. Step 5: Solve for x
    x = 1,371,201,451,326.96/1,577,142.80
  6. Step 6: Final answer
    x = 869,421.24

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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.