Home / 1,445,109.12-2,169,008.66-735,668.28

Finding the Fourth Proportional to 1,445,109.12, 2,169,008.66 and 735,668.28

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Solution

The fourth proportional to 1,445,109.12, 2,169,008.66 and 735,668.28 is: 1,104,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,109.12 : 2,169,008.66 = 735,668.28 : x
  2. Step 2: Convert to fraction form
    1,445,109.12/2,169,008.66 = 735,668.28/x
  3. Step 3: Cross multiply
    1,445,109.12x = 2,169,008.66 × 735,668.28
  4. Step 4: Simplify right side
    1,445,109.12x = 1,595,670,870,207.31
  5. Step 5: Solve for x
    x = 1,595,670,870,207.31/1,445,109.12
  6. Step 6: Final answer
    x = 1,104,187.12

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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.