Home / 836,299.52-1,248,129.32-755,587.12

Finding the Fourth Proportional to 836,299.52, 1,248,129.32 and 755,587.12

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Solution

The fourth proportional to 836,299.52, 1,248,129.32 and 755,587.12 is: 1,127,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,299.52 : 1,248,129.32 = 755,587.12 : x
  2. Step 2: Convert to fraction form
    836,299.52/1,248,129.32 = 755,587.12/x
  3. Step 3: Cross multiply
    836,299.52x = 1,248,129.32 × 755,587.12
  4. Step 4: Simplify right side
    836,299.52x = 943,070,438,286.36
  5. Step 5: Solve for x
    x = 943,070,438,286.36/836,299.52
  6. Step 6: Final answer
    x = 1,127,670.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.