Home / 1,131,108.96-1,696,303.80-372,809.10

Finding the Fourth Proportional to 1,131,108.96, 1,696,303.80 and 372,809.10

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Solution

The fourth proportional to 1,131,108.96, 1,696,303.80 and 372,809.10 is: 559,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,108.96 : 1,696,303.80 = 372,809.10 : x
  2. Step 2: Convert to fraction form
    1,131,108.96/1,696,303.80 = 372,809.10/x
  3. Step 3: Cross multiply
    1,131,108.96x = 1,696,303.80 × 372,809.10
  4. Step 4: Simplify right side
    1,131,108.96x = 632,397,493,004.58
  5. Step 5: Solve for x
    x = 632,397,493,004.58/1,131,108.96
  6. Step 6: Final answer
    x = 559,095.11

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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.