Home / 1,020,877-1,531,198.84-272,981.32

Finding the Fourth Proportional to 1,020,877, 1,531,198.84 and 272,981.32

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Solution

The fourth proportional to 1,020,877, 1,531,198.84 and 272,981.32 is: 409,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,877 : 1,531,198.84 = 272,981.32 : x
  2. Step 2: Convert to fraction form
    1,020,877/1,531,198.84 = 272,981.32/x
  3. Step 3: Cross multiply
    1,020,877x = 1,531,198.84 × 272,981.32
  4. Step 4: Simplify right side
    1,020,877x = 417,988,680,525.67
  5. Step 5: Solve for x
    x = 417,988,680,525.67/1,020,877
  6. Step 6: Final answer
    x = 409,440.79

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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.