Home / 1,444,155.40-1,992,964.86-790,808.86

Finding the Fourth Proportional to 1,444,155.40, 1,992,964.86 and 790,808.86

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Solution

The fourth proportional to 1,444,155.40, 1,992,964.86 and 790,808.86 is: 1,091,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,155.40 : 1,992,964.86 = 790,808.86 : x
  2. Step 2: Convert to fraction form
    1,444,155.40/1,992,964.86 = 790,808.86/x
  3. Step 3: Cross multiply
    1,444,155.40x = 1,992,964.86 × 790,808.86
  4. Step 4: Simplify right side
    1,444,155.40x = 1,576,054,255,037.79
  5. Step 5: Solve for x
    x = 1,576,054,255,037.79/1,444,155.40
  6. Step 6: Final answer
    x = 1,091,332.87

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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.