Home / 1,208,378.52-1,667,527.02-664,513.74

Finding the Fourth Proportional to 1,208,378.52, 1,667,527.02 and 664,513.74

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Solution

The fourth proportional to 1,208,378.52, 1,667,527.02 and 664,513.74 is: 917,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,378.52 : 1,667,527.02 = 664,513.74 : x
  2. Step 2: Convert to fraction form
    1,208,378.52/1,667,527.02 = 664,513.74/x
  3. Step 3: Cross multiply
    1,208,378.52x = 1,667,527.02 × 664,513.74
  4. Step 4: Simplify right side
    1,208,378.52x = 1,108,094,616,611.25
  5. Step 5: Solve for x
    x = 1,108,094,616,611.25/1,208,378.52
  6. Step 6: Final answer
    x = 917,009.53

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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.