Home / 1,484,130.90-2,227,233.15-643,286.10

Finding the Fourth Proportional to 1,484,130.90, 2,227,233.15 and 643,286.10

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Solution

The fourth proportional to 1,484,130.90, 2,227,233.15 and 643,286.10 is: 965,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,130.90 : 2,227,233.15 = 643,286.10 : x
  2. Step 2: Convert to fraction form
    1,484,130.90/2,227,233.15 = 643,286.10/x
  3. Step 3: Cross multiply
    1,484,130.90x = 2,227,233.15 × 643,286.10
  4. Step 4: Simplify right side
    1,484,130.90x = 1,432,748,126,854.22
  5. Step 5: Solve for x
    x = 1,432,748,126,854.22/1,484,130.90
  6. Step 6: Final answer
    x = 965,378.54

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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.