Home / 1,207,890.27-1,810,506.78-497,530.80

Finding the Fourth Proportional to 1,207,890.27, 1,810,506.78 and 497,530.80

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Solution

The fourth proportional to 1,207,890.27, 1,810,506.78 and 497,530.80 is: 745,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,890.27 : 1,810,506.78 = 497,530.80 : x
  2. Step 2: Convert to fraction form
    1,207,890.27/1,810,506.78 = 497,530.80/x
  3. Step 3: Cross multiply
    1,207,890.27x = 1,810,506.78 × 497,530.80
  4. Step 4: Simplify right side
    1,207,890.27x = 900,782,886,658.82
  5. Step 5: Solve for x
    x = 900,782,886,658.82/1,207,890.27
  6. Step 6: Final answer
    x = 745,748.94

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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.