Home / 1,778,752.36-2,668,118.96-430,914.29

Finding the Fourth Proportional to 1,778,752.36, 2,668,118.96 and 430,914.29

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Solution

The fourth proportional to 1,778,752.36, 2,668,118.96 and 430,914.29 is: 646,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,752.36 : 2,668,118.96 = 430,914.29 : x
  2. Step 2: Convert to fraction form
    1,778,752.36/2,668,118.96 = 430,914.29/x
  3. Step 3: Cross multiply
    1,778,752.36x = 2,668,118.96 × 430,914.29
  4. Step 4: Simplify right side
    1,778,752.36x = 1,149,730,575,020.63
  5. Step 5: Solve for x
    x = 1,149,730,575,020.63/1,778,752.36
  6. Step 6: Final answer
    x = 646,369.11

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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.