Home / 1,057,279.77-1,585,905.90-258,568.23

Finding the Fourth Proportional to 1,057,279.77, 1,585,905.90 and 258,568.23

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Solution

The fourth proportional to 1,057,279.77, 1,585,905.90 and 258,568.23 is: 387,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,279.77 : 1,585,905.90 = 258,568.23 : x
  2. Step 2: Convert to fraction form
    1,057,279.77/1,585,905.90 = 258,568.23/x
  3. Step 3: Cross multiply
    1,057,279.77x = 1,585,905.90 × 258,568.23
  4. Step 4: Simplify right side
    1,057,279.77x = 410,064,881,509.56
  5. Step 5: Solve for x
    x = 410,064,881,509.56/1,057,279.77
  6. Step 6: Final answer
    x = 387,848.98

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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.