Home / 1,579,934.20-2,365,891.80-869,159.20

Finding the Fourth Proportional to 1,579,934.20, 2,365,891.80 and 869,159.20

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Solution

The fourth proportional to 1,579,934.20, 2,365,891.80 and 869,159.20 is: 1,301,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,934.20 : 2,365,891.80 = 869,159.20 : x
  2. Step 2: Convert to fraction form
    1,579,934.20/2,365,891.80 = 869,159.20/x
  3. Step 3: Cross multiply
    1,579,934.20x = 2,365,891.80 × 869,159.20
  4. Step 4: Simplify right side
    1,579,934.20x = 2,056,336,624,174.56
  5. Step 5: Solve for x
    x = 2,056,336,624,174.56/1,579,934.20
  6. Step 6: Final answer
    x = 1,301,533.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.