Home / 1,853,625.60-2,778,364.80-788,486.40

Finding the Fourth Proportional to 1,853,625.60, 2,778,364.80 and 788,486.40

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Solution

The fourth proportional to 1,853,625.60, 2,778,364.80 and 788,486.40 is: 1,181,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,625.60 : 2,778,364.80 = 788,486.40 : x
  2. Step 2: Convert to fraction form
    1,853,625.60/2,778,364.80 = 788,486.40/x
  3. Step 3: Cross multiply
    1,853,625.60x = 2,778,364.80 × 788,486.40
  4. Step 4: Simplify right side
    1,853,625.60x = 2,190,702,859,038.72
  5. Step 5: Solve for x
    x = 2,190,702,859,038.72/1,853,625.60
  6. Step 6: Final answer
    x = 1,181,847.54

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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.