Home / 1,366,597.40-2,050,203.30-420,011.80

Finding the Fourth Proportional to 1,366,597.40, 2,050,203.30 and 420,011.80

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Solution

The fourth proportional to 1,366,597.40, 2,050,203.30 and 420,011.80 is: 630,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,597.40 : 2,050,203.30 = 420,011.80 : x
  2. Step 2: Convert to fraction form
    1,366,597.40/2,050,203.30 = 420,011.80/x
  3. Step 3: Cross multiply
    1,366,597.40x = 2,050,203.30 × 420,011.80
  4. Step 4: Simplify right side
    1,366,597.40x = 861,109,578,398.94
  5. Step 5: Solve for x
    x = 861,109,578,398.94/1,366,597.40
  6. Step 6: Final answer
    x = 630,112.12

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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.