Home / 1,129,350.82-1,558,059.62-645,656.08

Finding the Fourth Proportional to 1,129,350.82, 1,558,059.62 and 645,656.08

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Solution

The fourth proportional to 1,129,350.82, 1,558,059.62 and 645,656.08 is: 890,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,350.82 : 1,558,059.62 = 645,656.08 : x
  2. Step 2: Convert to fraction form
    1,129,350.82/1,558,059.62 = 645,656.08/x
  3. Step 3: Cross multiply
    1,129,350.82x = 1,558,059.62 × 645,656.08
  4. Step 4: Simplify right side
    1,129,350.82x = 1,005,970,666,655.49
  5. Step 5: Solve for x
    x = 1,005,970,666,655.49/1,129,350.82
  6. Step 6: Final answer
    x = 890,751.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.