Home / 1,146,083.40-1,719,125.10-667,130.40

Finding the Fourth Proportional to 1,146,083.40, 1,719,125.10 and 667,130.40

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Solution

The fourth proportional to 1,146,083.40, 1,719,125.10 and 667,130.40 is: 1,000,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,083.40 : 1,719,125.10 = 667,130.40 : x
  2. Step 2: Convert to fraction form
    1,146,083.40/1,719,125.10 = 667,130.40/x
  3. Step 3: Cross multiply
    1,146,083.40x = 1,719,125.10 × 667,130.40
  4. Step 4: Simplify right side
    1,146,083.40x = 1,146,880,615,613.04
  5. Step 5: Solve for x
    x = 1,146,880,615,613.04/1,146,083.40
  6. Step 6: Final answer
    x = 1,000,695.60

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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.