Home / 1,208,284.34-1,667,475.20-664,461.51

Finding the Fourth Proportional to 1,208,284.34, 1,667,475.20 and 664,461.51

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Solution

The fourth proportional to 1,208,284.34, 1,667,475.20 and 664,461.51 is: 916,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,284.34 : 1,667,475.20 = 664,461.51 : x
  2. Step 2: Convert to fraction form
    1,208,284.34/1,667,475.20 = 664,461.51/x
  3. Step 3: Cross multiply
    1,208,284.34x = 1,667,475.20 × 664,461.51
  4. Step 4: Simplify right side
    1,208,284.34x = 1,107,973,085,957.24
  5. Step 5: Solve for x
    x = 1,107,973,085,957.24/1,208,284.34
  6. Step 6: Final answer
    x = 916,980.42

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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.