Home / 1,353,742.80-2,029,231.80-792,488.40

Finding the Fourth Proportional to 1,353,742.80, 2,029,231.80 and 792,488.40

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Solution

The fourth proportional to 1,353,742.80, 2,029,231.80 and 792,488.40 is: 1,187,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,742.80 : 2,029,231.80 = 792,488.40 : x
  2. Step 2: Convert to fraction form
    1,353,742.80/2,029,231.80 = 792,488.40/x
  3. Step 3: Cross multiply
    1,353,742.80x = 2,029,231.80 × 792,488.40
  4. Step 4: Simplify right side
    1,353,742.80x = 1,608,142,662,411.12
  5. Step 5: Solve for x
    x = 1,608,142,662,411.12/1,353,742.80
  6. Step 6: Final answer
    x = 1,187,923.34

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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.