Home / 1,630,218.40-2,445,327.60-788,855.20

Finding the Fourth Proportional to 1,630,218.40, 2,445,327.60 and 788,855.20

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Solution

The fourth proportional to 1,630,218.40, 2,445,327.60 and 788,855.20 is: 1,183,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,218.40 : 2,445,327.60 = 788,855.20 : x
  2. Step 2: Convert to fraction form
    1,630,218.40/2,445,327.60 = 788,855.20/x
  3. Step 3: Cross multiply
    1,630,218.40x = 2,445,327.60 × 788,855.20
  4. Step 4: Simplify right side
    1,630,218.40x = 1,929,009,392,963.52
  5. Step 5: Solve for x
    x = 1,929,009,392,963.52/1,630,218.40
  6. Step 6: Final answer
    x = 1,183,282.80

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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.