Home / 1,520,182.65-2,097,876.60-831,914.31

Finding the Fourth Proportional to 1,520,182.65, 2,097,876.60 and 831,914.31

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Solution

The fourth proportional to 1,520,182.65, 2,097,876.60 and 831,914.31 is: 1,148,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,182.65 : 2,097,876.60 = 831,914.31 : x
  2. Step 2: Convert to fraction form
    1,520,182.65/2,097,876.60 = 831,914.31/x
  3. Step 3: Cross multiply
    1,520,182.65x = 2,097,876.60 × 831,914.31
  4. Step 4: Simplify right side
    1,520,182.65x = 1,745,253,564,154.15
  5. Step 5: Solve for x
    x = 1,745,253,564,154.15/1,520,182.65
  6. Step 6: Final answer
    x = 1,148,055.18

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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.