Home / 1,585,675.40-2,379,169.74-875,640.20

Finding the Fourth Proportional to 1,585,675.40, 2,379,169.74 and 875,640.20

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Solution

The fourth proportional to 1,585,675.40, 2,379,169.74 and 875,640.20 is: 1,313,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,675.40 : 2,379,169.74 = 875,640.20 : x
  2. Step 2: Convert to fraction form
    1,585,675.40/2,379,169.74 = 875,640.20/x
  3. Step 3: Cross multiply
    1,585,675.40x = 2,379,169.74 × 875,640.20
  4. Step 4: Simplify right side
    1,585,675.40x = 2,083,296,666,967.55
  5. Step 5: Solve for x
    x = 2,083,296,666,967.55/1,585,675.40
  6. Step 6: Final answer
    x = 1,313,822.91

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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.