Home / 1,029,653.62-1,420,079.50-724,739.38

Finding the Fourth Proportional to 1,029,653.62, 1,420,079.50 and 724,739.38

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Solution

The fourth proportional to 1,029,653.62, 1,420,079.50 and 724,739.38 is: 999,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,653.62 : 1,420,079.50 = 724,739.38 : x
  2. Step 2: Convert to fraction form
    1,029,653.62/1,420,079.50 = 724,739.38/x
  3. Step 3: Cross multiply
    1,029,653.62x = 1,420,079.50 × 724,739.38
  4. Step 4: Simplify right side
    1,029,653.62x = 1,029,187,536,380.71
  5. Step 5: Solve for x
    x = 1,029,187,536,380.71/1,029,653.62
  6. Step 6: Final answer
    x = 999,547.34

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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.