Home / 1,545,321.58-2,132,612.70-856,947.34

Finding the Fourth Proportional to 1,545,321.58, 2,132,612.70 and 856,947.34

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Solution

The fourth proportional to 1,545,321.58, 2,132,612.70 and 856,947.34 is: 1,182,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,321.58 : 2,132,612.70 = 856,947.34 : x
  2. Step 2: Convert to fraction form
    1,545,321.58/2,132,612.70 = 856,947.34/x
  3. Step 3: Cross multiply
    1,545,321.58x = 2,132,612.70 × 856,947.34
  4. Step 4: Simplify right side
    1,545,321.58x = 1,827,536,780,515.22
  5. Step 5: Solve for x
    x = 1,827,536,780,515.22/1,545,321.58
  6. Step 6: Final answer
    x = 1,182,625.55

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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.