Home / 1,307,414.80-1,961,818.80-508,722.40

Finding the Fourth Proportional to 1,307,414.80, 1,961,818.80 and 508,722.40

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Solution

The fourth proportional to 1,307,414.80, 1,961,818.80 and 508,722.40 is: 763,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,414.80 : 1,961,818.80 = 508,722.40 : x
  2. Step 2: Convert to fraction form
    1,307,414.80/1,961,818.80 = 508,722.40/x
  3. Step 3: Cross multiply
    1,307,414.80x = 1,961,818.80 × 508,722.40
  4. Step 4: Simplify right side
    1,307,414.80x = 998,021,168,301.12
  5. Step 5: Solve for x
    x = 998,021,168,301.12/1,307,414.80
  6. Step 6: Final answer
    x = 763,354.65

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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.