Home / 2,561,658.40-3,842,487.60-788,730.40

Finding the Fourth Proportional to 2,561,658.40, 3,842,487.60 and 788,730.40

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Solution

The fourth proportional to 2,561,658.40, 3,842,487.60 and 788,730.40 is: 1,183,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,658.40 : 3,842,487.60 = 788,730.40 : x
  2. Step 2: Convert to fraction form
    2,561,658.40/3,842,487.60 = 788,730.40/x
  3. Step 3: Cross multiply
    2,561,658.40x = 3,842,487.60 × 788,730.40
  4. Step 4: Simplify right side
    2,561,658.40x = 3,030,686,781,743.04
  5. Step 5: Solve for x
    x = 3,030,686,781,743.04/2,561,658.40
  6. Step 6: Final answer
    x = 1,183,095.60

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Similar ratio
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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.