Home / 1,630,217.40-2,445,326.10-788,854.20

Finding the Fourth Proportional to 1,630,217.40, 2,445,326.10 and 788,854.20

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Solution

The fourth proportional to 1,630,217.40, 2,445,326.10 and 788,854.20 is: 1,183,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,217.40 : 2,445,326.10 = 788,854.20 : x
  2. Step 2: Convert to fraction form
    1,630,217.40/2,445,326.10 = 788,854.20/x
  3. Step 3: Cross multiply
    1,630,217.40x = 2,445,326.10 × 788,854.20
  4. Step 4: Simplify right side
    1,630,217.40x = 1,929,005,764,354.62
  5. Step 5: Solve for x
    x = 1,929,005,764,354.62/1,630,217.40
  6. Step 6: Final answer
    x = 1,183,281.30

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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.