Home / 1,261,345.10-1,890,892.73-462,440.48

Finding the Fourth Proportional to 1,261,345.10, 1,890,892.73 and 462,440.48

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Solution

The fourth proportional to 1,261,345.10, 1,890,892.73 and 462,440.48 is: 693,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,345.10 : 1,890,892.73 = 462,440.48 : x
  2. Step 2: Convert to fraction form
    1,261,345.10/1,890,892.73 = 462,440.48/x
  3. Step 3: Cross multiply
    1,261,345.10x = 1,890,892.73 × 462,440.48
  4. Step 4: Simplify right side
    1,261,345.10x = 874,425,329,923.04
  5. Step 5: Solve for x
    x = 874,425,329,923.04/1,261,345.10
  6. Step 6: Final answer
    x = 693,248.29

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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.