Home / 1,779,329.72-2,668,993.71-431,492.10

Finding the Fourth Proportional to 1,779,329.72, 2,668,993.71 and 431,492.10

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Solution

The fourth proportional to 1,779,329.72, 2,668,993.71 and 431,492.10 is: 647,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,329.72 : 2,668,993.71 = 431,492.10 : x
  2. Step 2: Convert to fraction form
    1,779,329.72/2,668,993.71 = 431,492.10/x
  3. Step 3: Cross multiply
    1,779,329.72x = 2,668,993.71 × 431,492.10
  4. Step 4: Simplify right side
    1,779,329.72x = 1,151,649,706,628.10
  5. Step 5: Solve for x
    x = 1,151,649,706,628.10/1,779,329.72
  6. Step 6: Final answer
    x = 647,237.94

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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.