Home / 1,527,010-2,107,361.28-847,990.24

Finding the Fourth Proportional to 1,527,010, 2,107,361.28 and 847,990.24

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Solution

The fourth proportional to 1,527,010, 2,107,361.28 and 847,990.24 is: 1,170,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,010 : 2,107,361.28 = 847,990.24 : x
  2. Step 2: Convert to fraction form
    1,527,010/2,107,361.28 = 847,990.24/x
  3. Step 3: Cross multiply
    1,527,010x = 2,107,361.28 × 847,990.24
  4. Step 4: Simplify right side
    1,527,010x = 1,787,021,797,593.91
  5. Step 5: Solve for x
    x = 1,787,021,797,593.91/1,527,010
  6. Step 6: Final answer
    x = 1,170,275.11

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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.