Home / 1,750,239.80-2,625,359.70-420,543.80

Finding the Fourth Proportional to 1,750,239.80, 2,625,359.70 and 420,543.80

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Solution

The fourth proportional to 1,750,239.80, 2,625,359.70 and 420,543.80 is: 630,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,239.80 : 2,625,359.70 = 420,543.80 : x
  2. Step 2: Convert to fraction form
    1,750,239.80/2,625,359.70 = 420,543.80/x
  3. Step 3: Cross multiply
    1,750,239.80x = 2,625,359.70 × 420,543.80
  4. Step 4: Simplify right side
    1,750,239.80x = 1,104,078,744,604.86
  5. Step 5: Solve for x
    x = 1,104,078,744,604.86/1,750,239.80
  6. Step 6: Final answer
    x = 630,815.70

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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.