Home / 1,853,626.60-2,778,366.30-788,487.40

Finding the Fourth Proportional to 1,853,626.60, 2,778,366.30 and 788,487.40

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Solution

The fourth proportional to 1,853,626.60, 2,778,366.30 and 788,487.40 is: 1,181,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,626.60 : 2,778,366.30 = 788,487.40 : x
  2. Step 2: Convert to fraction form
    1,853,626.60/2,778,366.30 = 788,487.40/x
  3. Step 3: Cross multiply
    1,853,626.60x = 2,778,366.30 × 788,487.40
  4. Step 4: Simplify right side
    1,853,626.60x = 2,190,706,820,134.62
  5. Step 5: Solve for x
    x = 2,190,706,820,134.62/1,853,626.60
  6. Step 6: Final answer
    x = 1,181,849.04

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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.