Home / 1,108,131.33-1,663,141.19-434,681.13

Finding the Fourth Proportional to 1,108,131.33, 1,663,141.19 and 434,681.13

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Solution

The fourth proportional to 1,108,131.33, 1,663,141.19 and 434,681.13 is: 652,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,131.33 : 1,663,141.19 = 434,681.13 : x
  2. Step 2: Convert to fraction form
    1,108,131.33/1,663,141.19 = 434,681.13/x
  3. Step 3: Cross multiply
    1,108,131.33x = 1,663,141.19 × 434,681.13
  4. Step 4: Simplify right side
    1,108,131.33x = 722,936,089,645.34
  5. Step 5: Solve for x
    x = 722,936,089,645.34/1,108,131.33
  6. Step 6: Final answer
    x = 652,392.07

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Double scale
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1.5x scale

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.