Home / 1,315,421.60-1,973,187.27-416,843.46

Finding the Fourth Proportional to 1,315,421.60, 1,973,187.27 and 416,843.46

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Solution

The fourth proportional to 1,315,421.60, 1,973,187.27 and 416,843.46 is: 625,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,421.60 : 1,973,187.27 = 416,843.46 : x
  2. Step 2: Convert to fraction form
    1,315,421.60/1,973,187.27 = 416,843.46/x
  3. Step 3: Cross multiply
    1,315,421.60x = 1,973,187.27 × 416,843.46
  4. Step 4: Simplify right side
    1,315,421.60x = 822,510,208,854.75
  5. Step 5: Solve for x
    x = 822,510,208,854.75/1,315,421.60
  6. Step 6: Final answer
    x = 625,282.58

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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.