Home / 1,208,332.55-1,667,541.73-664,509.72

Finding the Fourth Proportional to 1,208,332.55, 1,667,541.73 and 664,509.72

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Solution

The fourth proportional to 1,208,332.55, 1,667,541.73 and 664,509.72 is: 917,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,332.55 : 1,667,541.73 = 664,509.72 : x
  2. Step 2: Convert to fraction form
    1,208,332.55/1,667,541.73 = 664,509.72/x
  3. Step 3: Cross multiply
    1,208,332.55x = 1,667,541.73 × 664,509.72
  4. Step 4: Simplify right side
    1,208,332.55x = 1,108,097,688,090.62
  5. Step 5: Solve for x
    x = 1,108,097,688,090.62/1,208,332.55
  6. Step 6: Final answer
    x = 917,046.96

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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.