Home / 2,585,073.42-3,878,031.13-763,623.18

Finding the Fourth Proportional to 2,585,073.42, 3,878,031.13 and 763,623.18

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Solution

The fourth proportional to 2,585,073.42, 3,878,031.13 and 763,623.18 is: 1,145,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,073.42 : 3,878,031.13 = 763,623.18 : x
  2. Step 2: Convert to fraction form
    2,585,073.42/3,878,031.13 = 763,623.18/x
  3. Step 3: Cross multiply
    2,585,073.42x = 3,878,031.13 × 763,623.18
  4. Step 4: Simplify right side
    2,585,073.42x = 2,961,354,461,720.54
  5. Step 5: Solve for x
    x = 2,961,354,461,720.54/2,585,073.42
  6. Step 6: Final answer
    x = 1,145,559.13

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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.