Home / 1,138,328.96-1,570,894.52-629,031.32

Finding the Fourth Proportional to 1,138,328.96, 1,570,894.52 and 629,031.32

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Solution

The fourth proportional to 1,138,328.96, 1,570,894.52 and 629,031.32 is: 868,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,328.96 : 1,570,894.52 = 629,031.32 : x
  2. Step 2: Convert to fraction form
    1,138,328.96/1,570,894.52 = 629,031.32/x
  3. Step 3: Cross multiply
    1,138,328.96x = 1,570,894.52 × 629,031.32
  4. Step 4: Simplify right side
    1,138,328.96x = 988,141,853,496.37
  5. Step 5: Solve for x
    x = 988,141,853,496.37/1,138,328.96
  6. Step 6: Final answer
    x = 868,063.53

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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.