Home / 1,135,228.04-1,700,915.10-685,002.87

Finding the Fourth Proportional to 1,135,228.04, 1,700,915.10 and 685,002.87

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Solution

The fourth proportional to 1,135,228.04, 1,700,915.10 and 685,002.87 is: 1,026,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,228.04 : 1,700,915.10 = 685,002.87 : x
  2. Step 2: Convert to fraction form
    1,135,228.04/1,700,915.10 = 685,002.87/x
  3. Step 3: Cross multiply
    1,135,228.04x = 1,700,915.10 × 685,002.87
  4. Step 4: Simplify right side
    1,135,228.04x = 1,165,131,725,126.34
  5. Step 5: Solve for x
    x = 1,165,131,725,126.34/1,135,228.04
  6. Step 6: Final answer
    x = 1,026,341.57

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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.