Home / 1,129,477.45-1,558,678.89-620,179.82

Finding the Fourth Proportional to 1,129,477.45, 1,558,678.89 and 620,179.82

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Solution

The fourth proportional to 1,129,477.45, 1,558,678.89 and 620,179.82 is: 855,848.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,477.45 : 1,558,678.89 = 620,179.82 : x
  2. Step 2: Convert to fraction form
    1,129,477.45/1,558,678.89 = 620,179.82/x
  3. Step 3: Cross multiply
    1,129,477.45x = 1,558,678.89 × 620,179.82
  4. Step 4: Simplify right side
    1,129,477.45x = 966,661,190,337.10
  5. Step 5: Solve for x
    x = 966,661,190,337.10/1,129,477.45
  6. Step 6: Final answer
    x = 855,848.16

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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.