Home / 1,485,978.60-2,050,674.30-841,381.56

Finding the Fourth Proportional to 1,485,978.60, 2,050,674.30 and 841,381.56

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Solution

The fourth proportional to 1,485,978.60, 2,050,674.30 and 841,381.56 is: 1,161,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,978.60 : 2,050,674.30 = 841,381.56 : x
  2. Step 2: Convert to fraction form
    1,485,978.60/2,050,674.30 = 841,381.56/x
  3. Step 3: Cross multiply
    1,485,978.60x = 2,050,674.30 × 841,381.56
  4. Step 4: Simplify right side
    1,485,978.60x = 1,725,399,541,585.91
  5. Step 5: Solve for x
    x = 1,725,399,541,585.91/1,485,978.60
  6. Step 6: Final answer
    x = 1,161,120.05

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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.