Home / 1,208,366.74-1,667,510.85-664,501.96

Finding the Fourth Proportional to 1,208,366.74, 1,667,510.85 and 664,501.96

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Solution

The fourth proportional to 1,208,366.74, 1,667,510.85 and 664,501.96 is: 916,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,366.74 : 1,667,510.85 = 664,501.96 : x
  2. Step 2: Convert to fraction form
    1,208,366.74/1,667,510.85 = 664,501.96/x
  3. Step 3: Cross multiply
    1,208,366.74x = 1,667,510.85 × 664,501.96
  4. Step 4: Simplify right side
    1,208,366.74x = 1,108,064,228,146.27
  5. Step 5: Solve for x
    x = 1,108,064,228,146.27/1,208,366.74
  6. Step 6: Final answer
    x = 916,993.32

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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.