Home / 1,328,154.66-1,832,712.11-747,367.67

Finding the Fourth Proportional to 1,328,154.66, 1,832,712.11 and 747,367.67

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Solution

The fourth proportional to 1,328,154.66, 1,832,712.11 and 747,367.67 is: 1,031,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,154.66 : 1,832,712.11 = 747,367.67 : x
  2. Step 2: Convert to fraction form
    1,328,154.66/1,832,712.11 = 747,367.67/x
  3. Step 3: Cross multiply
    1,328,154.66x = 1,832,712.11 × 747,367.67
  4. Step 4: Simplify right side
    1,328,154.66x = 1,369,709,773,031.29
  5. Step 5: Solve for x
    x = 1,369,709,773,031.29/1,328,154.66
  6. Step 6: Final answer
    x = 1,031,287.86

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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.