Home / 1,119,944.24-1,545,484.56-636,500.96

Finding the Fourth Proportional to 1,119,944.24, 1,545,484.56 and 636,500.96

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Solution

The fourth proportional to 1,119,944.24, 1,545,484.56 and 636,500.96 is: 878,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,944.24 : 1,545,484.56 = 636,500.96 : x
  2. Step 2: Convert to fraction form
    1,119,944.24/1,545,484.56 = 636,500.96/x
  3. Step 3: Cross multiply
    1,119,944.24x = 1,545,484.56 × 636,500.96
  4. Step 4: Simplify right side
    1,119,944.24x = 983,702,406,105.18
  5. Step 5: Solve for x
    x = 983,702,406,105.18/1,119,944.24
  6. Step 6: Final answer
    x = 878,349.45

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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.