Home / 1,137,490.92-1,698,861.63-1,030,661.64

Finding the Fourth Proportional to 1,137,490.92, 1,698,861.63 and 1,030,661.64

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Solution

The fourth proportional to 1,137,490.92, 1,698,861.63 and 1,030,661.64 is: 1,539,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,490.92 : 1,698,861.63 = 1,030,661.64 : x
  2. Step 2: Convert to fraction form
    1,137,490.92/1,698,861.63 = 1,030,661.64/x
  3. Step 3: Cross multiply
    1,137,490.92x = 1,698,861.63 × 1,030,661.64
  4. Step 4: Simplify right side
    1,137,490.92x = 1,750,951,513,708.87
  5. Step 5: Solve for x
    x = 1,750,951,513,708.87/1,137,490.92
  6. Step 6: Final answer
    x = 1,539,310.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.