Home / 1,315,412.60-1,973,173.77-416,834.44

Finding the Fourth Proportional to 1,315,412.60, 1,973,173.77 and 416,834.44

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Solution

The fourth proportional to 1,315,412.60, 1,973,173.77 and 416,834.44 is: 625,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,412.60 : 1,973,173.77 = 416,834.44 : x
  2. Step 2: Convert to fraction form
    1,315,412.60/1,973,173.77 = 416,834.44/x
  3. Step 3: Cross multiply
    1,315,412.60x = 1,973,173.77 × 416,834.44
  4. Step 4: Simplify right side
    1,315,412.60x = 822,486,778,507.70
  5. Step 5: Solve for x
    x = 822,486,778,507.70/1,315,412.60
  6. Step 6: Final answer
    x = 625,269.05

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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.