Home / 1,983,774.24-2,973,979.80-786,542.40

Finding the Fourth Proportional to 1,983,774.24, 2,973,979.80 and 786,542.40

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Solution

The fourth proportional to 1,983,774.24, 2,973,979.80 and 786,542.40 is: 1,179,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,774.24 : 2,973,979.80 = 786,542.40 : x
  2. Step 2: Convert to fraction form
    1,983,774.24/2,973,979.80 = 786,542.40/x
  3. Step 3: Cross multiply
    1,983,774.24x = 2,973,979.80 × 786,542.40
  4. Step 4: Simplify right side
    1,983,774.24x = 2,339,161,209,443.52
  5. Step 5: Solve for x
    x = 2,339,161,209,443.52/1,983,774.24
  6. Step 6: Final answer
    x = 1,179,146.88

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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.