Home / 1,720,291.60-2,580,747.90-708,860.80

Finding the Fourth Proportional to 1,720,291.60, 2,580,747.90 and 708,860.80

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Solution

The fourth proportional to 1,720,291.60, 2,580,747.90 and 708,860.80 is: 1,063,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,291.60 : 2,580,747.90 = 708,860.80 : x
  2. Step 2: Convert to fraction form
    1,720,291.60/2,580,747.90 = 708,860.80/x
  3. Step 3: Cross multiply
    1,720,291.60x = 2,580,747.90 × 708,860.80
  4. Step 4: Simplify right side
    1,720,291.60x = 1,829,391,020,992.32
  5. Step 5: Solve for x
    x = 1,829,391,020,992.32/1,720,291.60
  6. Step 6: Final answer
    x = 1,063,419.14

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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.