Home / 1,537,779.96-2,306,854.62-639,829.35

Finding the Fourth Proportional to 1,537,779.96, 2,306,854.62 and 639,829.35

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Solution

The fourth proportional to 1,537,779.96, 2,306,854.62 and 639,829.35 is: 959,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,779.96 : 2,306,854.62 = 639,829.35 : x
  2. Step 2: Convert to fraction form
    1,537,779.96/2,306,854.62 = 639,829.35/x
  3. Step 3: Cross multiply
    1,537,779.96x = 2,306,854.62 × 639,829.35
  4. Step 4: Simplify right side
    1,537,779.96x = 1,475,993,292,059.10
  5. Step 5: Solve for x
    x = 1,475,993,292,059.10/1,537,779.96
  6. Step 6: Final answer
    x = 959,820.87

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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.