Home / 1,687,535.31-2,328,804.90-913,166.15

Finding the Fourth Proportional to 1,687,535.31, 2,328,804.90 and 913,166.15

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Solution

The fourth proportional to 1,687,535.31, 2,328,804.90 and 913,166.15 is: 1,260,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,535.31 : 2,328,804.90 = 913,166.15 : x
  2. Step 2: Convert to fraction form
    1,687,535.31/2,328,804.90 = 913,166.15/x
  3. Step 3: Cross multiply
    1,687,535.31x = 2,328,804.90 × 913,166.15
  4. Step 4: Simplify right side
    1,687,535.31x = 2,126,585,800,068.30
  5. Step 5: Solve for x
    x = 2,126,585,800,068.30/1,687,535.31
  6. Step 6: Final answer
    x = 1,260,172.63

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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.