Home / 1,750,343.60-2,625,515.40-420,647.60

Finding the Fourth Proportional to 1,750,343.60, 2,625,515.40 and 420,647.60

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Solution

The fourth proportional to 1,750,343.60, 2,625,515.40 and 420,647.60 is: 630,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,343.60 : 2,625,515.40 = 420,647.60 : x
  2. Step 2: Convert to fraction form
    1,750,343.60/2,625,515.40 = 420,647.60/x
  3. Step 3: Cross multiply
    1,750,343.60x = 2,625,515.40 × 420,647.60
  4. Step 4: Simplify right side
    1,750,343.60x = 1,104,416,751,773.04
  5. Step 5: Solve for x
    x = 1,104,416,751,773.04/1,750,343.60
  6. Step 6: Final answer
    x = 630,971.40

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1.5x scale

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.