Home / 1,149,657.90-1,724,669.10-391,570.80

Finding the Fourth Proportional to 1,149,657.90, 1,724,669.10 and 391,570.80

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Solution

The fourth proportional to 1,149,657.90, 1,724,669.10 and 391,570.80 is: 587,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,657.90 : 1,724,669.10 = 391,570.80 : x
  2. Step 2: Convert to fraction form
    1,149,657.90/1,724,669.10 = 391,570.80/x
  3. Step 3: Cross multiply
    1,149,657.90x = 1,724,669.10 × 391,570.80
  4. Step 4: Simplify right side
    1,149,657.90x = 675,330,059,222.28
  5. Step 5: Solve for x
    x = 675,330,059,222.28/1,149,657.90
  6. Step 6: Final answer
    x = 587,418.27

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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.