Home / 1,145,423.74-1,580,590.65-629,150.95

Finding the Fourth Proportional to 1,145,423.74, 1,580,590.65 and 629,150.95

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Solution

The fourth proportional to 1,145,423.74, 1,580,590.65 and 629,150.95 is: 868,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,423.74 : 1,580,590.65 = 629,150.95 : x
  2. Step 2: Convert to fraction form
    1,145,423.74/1,580,590.65 = 629,150.95/x
  3. Step 3: Cross multiply
    1,145,423.74x = 1,580,590.65 × 629,150.95
  4. Step 4: Simplify right side
    1,145,423.74x = 994,430,105,583.16
  5. Step 5: Solve for x
    x = 994,430,105,583.16/1,145,423.74
  6. Step 6: Final answer
    x = 868,176.62

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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.