Home / 1,687,684.44-2,328,996.04-913,314.72

Finding the Fourth Proportional to 1,687,684.44, 2,328,996.04 and 913,314.72

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Solution

The fourth proportional to 1,687,684.44, 2,328,996.04 and 913,314.72 is: 1,260,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,684.44 : 2,328,996.04 = 913,314.72 : x
  2. Step 2: Convert to fraction form
    1,687,684.44/2,328,996.04 = 913,314.72/x
  3. Step 3: Cross multiply
    1,687,684.44x = 2,328,996.04 × 913,314.72
  4. Step 4: Simplify right side
    1,687,684.44x = 2,127,106,366,153.71
  5. Step 5: Solve for x
    x = 2,127,106,366,153.71/1,687,684.44
  6. Step 6: Final answer
    x = 1,260,369.72

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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.