Home / 1,208,461.17-1,667,643.09-664,596.90

Finding the Fourth Proportional to 1,208,461.17, 1,667,643.09 and 664,596.90

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Solution

The fourth proportional to 1,208,461.17, 1,667,643.09 and 664,596.90 is: 917,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,461.17 : 1,667,643.09 = 664,596.90 : x
  2. Step 2: Convert to fraction form
    1,208,461.17/1,667,643.09 = 664,596.90/x
  3. Step 3: Cross multiply
    1,208,461.17x = 1,667,643.09 × 664,596.90
  4. Step 4: Simplify right side
    1,208,461.17x = 1,108,310,425,428.18
  5. Step 5: Solve for x
    x = 1,108,310,425,428.18/1,208,461.17
  6. Step 6: Final answer
    x = 917,125.39

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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.