Home / 1,579,139.12-2,369,759.87-859,662.45

Finding the Fourth Proportional to 1,579,139.12, 2,369,759.87 and 859,662.45

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Solution

The fourth proportional to 1,579,139.12, 2,369,759.87 and 859,662.45 is: 1,290,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,139.12 : 2,369,759.87 = 859,662.45 : x
  2. Step 2: Convert to fraction form
    1,579,139.12/2,369,759.87 = 859,662.45/x
  3. Step 3: Cross multiply
    1,579,139.12x = 2,369,759.87 × 859,662.45
  4. Step 4: Simplify right side
    1,579,139.12x = 2,037,193,577,905.04
  5. Step 5: Solve for x
    x = 2,037,193,577,905.04/1,579,139.12
  6. Step 6: Final answer
    x = 1,290,065.93

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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.