Home / 1,029,647.10-1,420,070.52-724,732.86

Finding the Fourth Proportional to 1,029,647.10, 1,420,070.52 and 724,732.86

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Solution

The fourth proportional to 1,029,647.10, 1,420,070.52 and 724,732.86 is: 999,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,647.10 : 1,420,070.52 = 724,732.86 : x
  2. Step 2: Convert to fraction form
    1,029,647.10/1,420,070.52 = 724,732.86/x
  3. Step 3: Cross multiply
    1,029,647.10x = 1,420,070.52 × 724,732.86
  4. Step 4: Simplify right side
    1,029,647.10x = 1,029,171,769,361.29
  5. Step 5: Solve for x
    x = 1,029,171,769,361.29/1,029,647.10
  6. Step 6: Final answer
    x = 999,538.36

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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.