Home / 1,295,555.17-1,943,262.69-396,999.50

Finding the Fourth Proportional to 1,295,555.17, 1,943,262.69 and 396,999.50

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Solution

The fourth proportional to 1,295,555.17, 1,943,262.69 and 396,999.50 is: 595,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,555.17 : 1,943,262.69 = 396,999.50 : x
  2. Step 2: Convert to fraction form
    1,295,555.17/1,943,262.69 = 396,999.50/x
  3. Step 3: Cross multiply
    1,295,555.17x = 1,943,262.69 × 396,999.50
  4. Step 4: Simplify right side
    1,295,555.17x = 771,474,316,298.66
  5. Step 5: Solve for x
    x = 771,474,316,298.66/1,295,555.17
  6. Step 6: Final answer
    x = 595,477.78

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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.