Home / 1,340,999.90-1,850,602.95-729,156.79

Finding the Fourth Proportional to 1,340,999.90, 1,850,602.95 and 729,156.79

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Solution

The fourth proportional to 1,340,999.90, 1,850,602.95 and 729,156.79 is: 1,006,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,999.90 : 1,850,602.95 = 729,156.79 : x
  2. Step 2: Convert to fraction form
    1,340,999.90/1,850,602.95 = 729,156.79/x
  3. Step 3: Cross multiply
    1,340,999.90x = 1,850,602.95 × 729,156.79
  4. Step 4: Simplify right side
    1,340,999.90x = 1,349,379,698,490.14
  5. Step 5: Solve for x
    x = 1,349,379,698,490.14/1,340,999.90
  6. Step 6: Final answer
    x = 1,006,248.91

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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.