Home / 1,059,146.90-1,587,825.05-459,657.39

Finding the Fourth Proportional to 1,059,146.90, 1,587,825.05 and 459,657.39

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Solution

The fourth proportional to 1,059,146.90, 1,587,825.05 and 459,657.39 is: 689,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,146.90 : 1,587,825.05 = 459,657.39 : x
  2. Step 2: Convert to fraction form
    1,059,146.90/1,587,825.05 = 459,657.39/x
  3. Step 3: Cross multiply
    1,059,146.90x = 1,587,825.05 × 459,657.39
  4. Step 4: Simplify right side
    1,059,146.90x = 729,855,521,915.68
  5. Step 5: Solve for x
    x = 729,855,521,915.68/1,059,146.90
  6. Step 6: Final answer
    x = 689,097.54

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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.