Home / 1,204,541.55-1,662,269.72-660,681.77

Finding the Fourth Proportional to 1,204,541.55, 1,662,269.72 and 660,681.77

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Solution

The fourth proportional to 1,204,541.55, 1,662,269.72 and 660,681.77 is: 911,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,541.55 : 1,662,269.72 = 660,681.77 : x
  2. Step 2: Convert to fraction form
    1,204,541.55/1,662,269.72 = 660,681.77/x
  3. Step 3: Cross multiply
    1,204,541.55x = 1,662,269.72 × 660,681.77
  4. Step 4: Simplify right side
    1,204,541.55x = 1,098,231,289,212.25
  5. Step 5: Solve for x
    x = 1,098,231,289,212.25/1,204,541.55
  6. Step 6: Final answer
    x = 911,742.14

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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.