Home / 1,353,435.38-1,867,659.89-749,779.70

Finding the Fourth Proportional to 1,353,435.38, 1,867,659.89 and 749,779.70

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Solution

The fourth proportional to 1,353,435.38, 1,867,659.89 and 749,779.70 is: 1,034,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,435.38 : 1,867,659.89 = 749,779.70 : x
  2. Step 2: Convert to fraction form
    1,353,435.38/1,867,659.89 = 749,779.70/x
  3. Step 3: Cross multiply
    1,353,435.38x = 1,867,659.89 × 749,779.70
  4. Step 4: Simplify right side
    1,353,435.38x = 1,400,333,472,026.23
  5. Step 5: Solve for x
    x = 1,400,333,472,026.23/1,353,435.38
  6. Step 6: Final answer
    x = 1,034,651.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.