Home / 1,403,999.70-2,105,999.55-563,154.90

Finding the Fourth Proportional to 1,403,999.70, 2,105,999.55 and 563,154.90

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Solution

The fourth proportional to 1,403,999.70, 2,105,999.55 and 563,154.90 is: 844,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,999.70 : 2,105,999.55 = 563,154.90 : x
  2. Step 2: Convert to fraction form
    1,403,999.70/2,105,999.55 = 563,154.90/x
  3. Step 3: Cross multiply
    1,403,999.70x = 2,105,999.55 × 563,154.90
  4. Step 4: Simplify right side
    1,403,999.70x = 1,186,003,965,980.30
  5. Step 5: Solve for x
    x = 1,186,003,965,980.30/1,403,999.70
  6. Step 6: Final answer
    x = 844,732.35

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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.