Home / 1,261,341.34-1,890,887.11-462,436.72

Finding the Fourth Proportional to 1,261,341.34, 1,890,887.11 and 462,436.72

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Solution

The fourth proportional to 1,261,341.34, 1,890,887.11 and 462,436.72 is: 693,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,341.34 : 1,890,887.11 = 462,436.72 : x
  2. Step 2: Convert to fraction form
    1,261,341.34/1,890,887.11 = 462,436.72/x
  3. Step 3: Cross multiply
    1,261,341.34x = 1,890,887.11 × 462,436.72
  4. Step 4: Simplify right side
    1,261,341.34x = 874,415,627,155.37
  5. Step 5: Solve for x
    x = 874,415,627,155.37/1,261,341.34
  6. Step 6: Final answer
    x = 693,242.66

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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.