Home / 1,490,861.59-2,057,332.83-911,054.23

Finding the Fourth Proportional to 1,490,861.59, 2,057,332.83 and 911,054.23

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Solution

The fourth proportional to 1,490,861.59, 2,057,332.83 and 911,054.23 is: 1,257,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,861.59 : 2,057,332.83 = 911,054.23 : x
  2. Step 2: Convert to fraction form
    1,490,861.59/2,057,332.83 = 911,054.23/x
  3. Step 3: Cross multiply
    1,490,861.59x = 2,057,332.83 × 911,054.23
  4. Step 4: Simplify right side
    1,490,861.59x = 1,874,341,777,289.37
  5. Step 5: Solve for x
    x = 1,874,341,777,289.37/1,490,861.59
  6. Step 6: Final answer
    x = 1,257,220.52

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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.