Home / 1,115,811.16-1,539,813.18-632,467.72

Finding the Fourth Proportional to 1,115,811.16, 1,539,813.18 and 632,467.72

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Solution

The fourth proportional to 1,115,811.16, 1,539,813.18 and 632,467.72 is: 872,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,811.16 : 1,539,813.18 = 632,467.72 : x
  2. Step 2: Convert to fraction form
    1,115,811.16/1,539,813.18 = 632,467.72/x
  3. Step 3: Cross multiply
    1,115,811.16x = 1,539,813.18 × 632,467.72
  4. Step 4: Simplify right side
    1,115,811.16x = 973,882,131,180.55
  5. Step 5: Solve for x
    x = 973,882,131,180.55/1,115,811.16
  6. Step 6: Final answer
    x = 872,801.93

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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.