Home / 1,318,967.70-1,820,175.57-745,995.70

Finding the Fourth Proportional to 1,318,967.70, 1,820,175.57 and 745,995.70

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Solution

The fourth proportional to 1,318,967.70, 1,820,175.57 and 745,995.70 is: 1,029,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,967.70 : 1,820,175.57 = 745,995.70 : x
  2. Step 2: Convert to fraction form
    1,318,967.70/1,820,175.57 = 745,995.70/x
  3. Step 3: Cross multiply
    1,318,967.70x = 1,820,175.57 × 745,995.70
  4. Step 4: Simplify right side
    1,318,967.70x = 1,357,843,148,465.05
  5. Step 5: Solve for x
    x = 1,357,843,148,465.05/1,318,967.70
  6. Step 6: Final answer
    x = 1,029,474.15

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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.