Home / 1,248,005.10-1,872,007.65-1,040,645.10

Finding the Fourth Proportional to 1,248,005.10, 1,872,007.65 and 1,040,645.10

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Solution

The fourth proportional to 1,248,005.10, 1,872,007.65 and 1,040,645.10 is: 1,560,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,005.10 : 1,872,007.65 = 1,040,645.10 : x
  2. Step 2: Convert to fraction form
    1,248,005.10/1,872,007.65 = 1,040,645.10/x
  3. Step 3: Cross multiply
    1,248,005.10x = 1,872,007.65 × 1,040,645.10
  4. Step 4: Simplify right side
    1,248,005.10x = 1,948,095,588,135.02
  5. Step 5: Solve for x
    x = 1,948,095,588,135.02/1,248,005.10
  6. Step 6: Final answer
    x = 1,560,967.65

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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.