Home / 1,005,859.45-1,387,981.06-576,157.69

Finding the Fourth Proportional to 1,005,859.45, 1,387,981.06 and 576,157.69

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Solution

The fourth proportional to 1,005,859.45, 1,387,981.06 and 576,157.69 is: 795,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,859.45 : 1,387,981.06 = 576,157.69 : x
  2. Step 2: Convert to fraction form
    1,005,859.45/1,387,981.06 = 576,157.69/x
  3. Step 3: Cross multiply
    1,005,859.45x = 1,387,981.06 × 576,157.69
  4. Step 4: Simplify right side
    1,005,859.45x = 799,695,961,293.35
  5. Step 5: Solve for x
    x = 799,695,961,293.35/1,005,859.45
  6. Step 6: Final answer
    x = 795,037.48

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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.