Home / 1,985,209.70-2,977,814.55-489,301.70

Finding the Fourth Proportional to 1,985,209.70, 2,977,814.55 and 489,301.70

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Solution

The fourth proportional to 1,985,209.70, 2,977,814.55 and 489,301.70 is: 733,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,209.70 : 2,977,814.55 = 489,301.70 : x
  2. Step 2: Convert to fraction form
    1,985,209.70/2,977,814.55 = 489,301.70/x
  3. Step 3: Cross multiply
    1,985,209.70x = 2,977,814.55 × 489,301.70
  4. Step 4: Simplify right side
    1,985,209.70x = 1,457,049,721,599.74
  5. Step 5: Solve for x
    x = 1,457,049,721,599.74/1,985,209.70
  6. Step 6: Final answer
    x = 733,952.55

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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.