Home / 1,413,890.20-2,117,724.90-1,256,296.60

Finding the Fourth Proportional to 1,413,890.20, 2,117,724.90 and 1,256,296.60

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Solution

The fourth proportional to 1,413,890.20, 2,117,724.90 and 1,256,296.60 is: 1,881,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,890.20 : 2,117,724.90 = 1,256,296.60 : x
  2. Step 2: Convert to fraction form
    1,413,890.20/2,117,724.90 = 1,256,296.60/x
  3. Step 3: Cross multiply
    1,413,890.20x = 2,117,724.90 × 1,256,296.60
  4. Step 4: Simplify right side
    1,413,890.20x = 2,660,490,591,605.34
  5. Step 5: Solve for x
    x = 2,660,490,591,605.34/1,413,890.20
  6. Step 6: Final answer
    x = 1,881,681.19

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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.