Home / 1,114,890.08-1,538,764.07-727,032.15

Finding the Fourth Proportional to 1,114,890.08, 1,538,764.07 and 727,032.15

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Solution

The fourth proportional to 1,114,890.08, 1,538,764.07 and 727,032.15 is: 1,003,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,890.08 : 1,538,764.07 = 727,032.15 : x
  2. Step 2: Convert to fraction form
    1,114,890.08/1,538,764.07 = 727,032.15/x
  3. Step 3: Cross multiply
    1,114,890.08x = 1,538,764.07 × 727,032.15
  4. Step 4: Simplify right side
    1,114,890.08x = 1,118,730,946,519.69
  5. Step 5: Solve for x
    x = 1,118,730,946,519.69/1,114,890.08
  6. Step 6: Final answer
    x = 1,003,445.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.