Home / 1,411,758.02-2,117,763.93-400,889.90

Finding the Fourth Proportional to 1,411,758.02, 2,117,763.93 and 400,889.90

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Solution

The fourth proportional to 1,411,758.02, 2,117,763.93 and 400,889.90 is: 601,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,758.02 : 2,117,763.93 = 400,889.90 : x
  2. Step 2: Convert to fraction form
    1,411,758.02/2,117,763.93 = 400,889.90/x
  3. Step 3: Cross multiply
    1,411,758.02x = 2,117,763.93 × 400,889.90
  4. Step 4: Simplify right side
    1,411,758.02x = 848,990,170,121.31
  5. Step 5: Solve for x
    x = 848,990,170,121.31/1,411,758.02
  6. Step 6: Final answer
    x = 601,370.89

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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.