Home / 875,818.20-1,313,727.30-840,826.20

Finding the Fourth Proportional to 875,818.20, 1,313,727.30 and 840,826.20

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Solution

The fourth proportional to 875,818.20, 1,313,727.30 and 840,826.20 is: 1,261,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,818.20 : 1,313,727.30 = 840,826.20 : x
  2. Step 2: Convert to fraction form
    875,818.20/1,313,727.30 = 840,826.20/x
  3. Step 3: Cross multiply
    875,818.20x = 1,313,727.30 × 840,826.20
  4. Step 4: Simplify right side
    875,818.20x = 1,104,616,333,495.26
  5. Step 5: Solve for x
    x = 1,104,616,333,495.26/875,818.20
  6. Step 6: Final answer
    x = 1,261,239.30

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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.