Home / 1,097,815.70-1,646,313.95-432,830.10

Finding the Fourth Proportional to 1,097,815.70, 1,646,313.95 and 432,830.10

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Solution

The fourth proportional to 1,097,815.70, 1,646,313.95 and 432,830.10 is: 649,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,815.70 : 1,646,313.95 = 432,830.10 : x
  2. Step 2: Convert to fraction form
    1,097,815.70/1,646,313.95 = 432,830.10/x
  3. Step 3: Cross multiply
    1,097,815.70x = 1,646,313.95 × 432,830.10
  4. Step 4: Simplify right side
    1,097,815.70x = 712,574,231,609.90
  5. Step 5: Solve for x
    x = 712,574,231,609.90/1,097,815.70
  6. Step 6: Final answer
    x = 649,083.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.