Home / 1,353,733.80-2,029,218.30-792,479.40

Finding the Fourth Proportional to 1,353,733.80, 2,029,218.30 and 792,479.40

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Solution

The fourth proportional to 1,353,733.80, 2,029,218.30 and 792,479.40 is: 1,187,909.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,733.80 : 2,029,218.30 = 792,479.40 : x
  2. Step 2: Convert to fraction form
    1,353,733.80/2,029,218.30 = 792,479.40/x
  3. Step 3: Cross multiply
    1,353,733.80x = 2,029,218.30 × 792,479.40
  4. Step 4: Simplify right side
    1,353,733.80x = 1,608,113,700,853.02
  5. Step 5: Solve for x
    x = 1,608,113,700,853.02/1,353,733.80
  6. Step 6: Final answer
    x = 1,187,909.84

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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.