Home / 1,086,345.90-1,629,518.85-637,281.90

Finding the Fourth Proportional to 1,086,345.90, 1,629,518.85 and 637,281.90

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Solution

The fourth proportional to 1,086,345.90, 1,629,518.85 and 637,281.90 is: 955,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,345.90 : 1,629,518.85 = 637,281.90 : x
  2. Step 2: Convert to fraction form
    1,086,345.90/1,629,518.85 = 637,281.90/x
  3. Step 3: Cross multiply
    1,086,345.90x = 1,629,518.85 × 637,281.90
  4. Step 4: Simplify right side
    1,086,345.90x = 1,038,462,868,813.82
  5. Step 5: Solve for x
    x = 1,038,462,868,813.82/1,086,345.90
  6. Step 6: Final answer
    x = 955,922.85

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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.