Home / 1,355,304.96-1,870,361.28-751,680

Finding the Fourth Proportional to 1,355,304.96, 1,870,361.28 and 751,680

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Solution

The fourth proportional to 1,355,304.96, 1,870,361.28 and 751,680 is: 1,037,340.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,304.96 : 1,870,361.28 = 751,680 : x
  2. Step 2: Convert to fraction form
    1,355,304.96/1,870,361.28 = 751,680/x
  3. Step 3: Cross multiply
    1,355,304.96x = 1,870,361.28 × 751,680
  4. Step 4: Simplify right side
    1,355,304.96x = 1,405,913,166,950.40
  5. Step 5: Solve for x
    x = 1,405,913,166,950.40/1,355,304.96
  6. Step 6: Final answer
    x = 1,037,340.83

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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.