Home / 1,112,490.72-1,535,269.68-629,045.64

Finding the Fourth Proportional to 1,112,490.72, 1,535,269.68 and 629,045.64

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Solution

The fourth proportional to 1,112,490.72, 1,535,269.68 and 629,045.64 is: 868,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,490.72 : 1,535,269.68 = 629,045.64 : x
  2. Step 2: Convert to fraction form
    1,112,490.72/1,535,269.68 = 629,045.64/x
  3. Step 3: Cross multiply
    1,112,490.72x = 1,535,269.68 × 629,045.64
  4. Step 4: Simplify right side
    1,112,490.72x = 965,754,698,428.20
  5. Step 5: Solve for x
    x = 965,754,698,428.20/1,112,490.72
  6. Step 6: Final answer
    x = 868,101.35

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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.