Home / 1,124,503.40-1,687,532.70-809,186.60

Finding the Fourth Proportional to 1,124,503.40, 1,687,532.70 and 809,186.60

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Solution

The fourth proportional to 1,124,503.40, 1,687,532.70 and 809,186.60 is: 1,214,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,503.40 : 1,687,532.70 = 809,186.60 : x
  2. Step 2: Convert to fraction form
    1,124,503.40/1,687,532.70 = 809,186.60/x
  3. Step 3: Cross multiply
    1,124,503.40x = 1,687,532.70 × 809,186.60
  4. Step 4: Simplify right side
    1,124,503.40x = 1,365,528,847,901.82
  5. Step 5: Solve for x
    x = 1,365,528,847,901.82/1,124,503.40
  6. Step 6: Final answer
    x = 1,214,339.46

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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.