Home / 1,086,449.40-1,629,674.10-637,385.40

Finding the Fourth Proportional to 1,086,449.40, 1,629,674.10 and 637,385.40

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Solution

The fourth proportional to 1,086,449.40, 1,629,674.10 and 637,385.40 is: 956,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,449.40 : 1,629,674.10 = 637,385.40 : x
  2. Step 2: Convert to fraction form
    1,086,449.40/1,629,674.10 = 637,385.40/x
  3. Step 3: Cross multiply
    1,086,449.40x = 1,629,674.10 × 637,385.40
  4. Step 4: Simplify right side
    1,086,449.40x = 1,038,730,478,098.14
  5. Step 5: Solve for x
    x = 1,038,730,478,098.14/1,086,449.40
  6. Step 6: Final answer
    x = 956,078.10

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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.