Home / 1,020,955.14-1,531,376.82-310,923.72

Finding the Fourth Proportional to 1,020,955.14, 1,531,376.82 and 310,923.72

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Solution

The fourth proportional to 1,020,955.14, 1,531,376.82 and 310,923.72 is: 466,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,955.14 : 1,531,376.82 = 310,923.72 : x
  2. Step 2: Convert to fraction form
    1,020,955.14/1,531,376.82 = 310,923.72/x
  3. Step 3: Cross multiply
    1,020,955.14x = 1,531,376.82 × 310,923.72
  4. Step 4: Simplify right side
    1,020,955.14x = 476,141,377,596.17
  5. Step 5: Solve for x
    x = 476,141,377,596.17/1,020,955.14
  6. Step 6: Final answer
    x = 466,368.56

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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.