Home / 1,020,836.45-1,531,254.60-310,864.56

Finding the Fourth Proportional to 1,020,836.45, 1,531,254.60 and 310,864.56

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Solution

The fourth proportional to 1,020,836.45, 1,531,254.60 and 310,864.56 is: 466,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,836.45 : 1,531,254.60 = 310,864.56 : x
  2. Step 2: Convert to fraction form
    1,020,836.45/1,531,254.60 = 310,864.56/x
  3. Step 3: Cross multiply
    1,020,836.45x = 1,531,254.60 × 310,864.56
  4. Step 4: Simplify right side
    1,020,836.45x = 476,012,787,476.98
  5. Step 5: Solve for x
    x = 476,012,787,476.98/1,020,836.45
  6. Step 6: Final answer
    x = 466,296.82

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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.