Home / 1,215,126.60-1,822,689.90-506,538.60

Finding the Fourth Proportional to 1,215,126.60, 1,822,689.90 and 506,538.60

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Solution

The fourth proportional to 1,215,126.60, 1,822,689.90 and 506,538.60 is: 759,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,126.60 : 1,822,689.90 = 506,538.60 : x
  2. Step 2: Convert to fraction form
    1,215,126.60/1,822,689.90 = 506,538.60/x
  3. Step 3: Cross multiply
    1,215,126.60x = 1,822,689.90 × 506,538.60
  4. Step 4: Simplify right side
    1,215,126.60x = 923,262,790,180.14
  5. Step 5: Solve for x
    x = 923,262,790,180.14/1,215,126.60
  6. Step 6: Final answer
    x = 759,807.90

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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.