Home / 1,478,012.80-2,039,716.98-824,695.88

Finding the Fourth Proportional to 1,478,012.80, 2,039,716.98 and 824,695.88

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Solution

The fourth proportional to 1,478,012.80, 2,039,716.98 and 824,695.88 is: 1,138,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,012.80 : 2,039,716.98 = 824,695.88 : x
  2. Step 2: Convert to fraction form
    1,478,012.80/2,039,716.98 = 824,695.88/x
  3. Step 3: Cross multiply
    1,478,012.80x = 2,039,716.98 × 824,695.88
  4. Step 4: Simplify right side
    1,478,012.80x = 1,682,146,189,772.04
  5. Step 5: Solve for x
    x = 1,682,146,189,772.04/1,478,012.80
  6. Step 6: Final answer
    x = 1,138,113.42

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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.