Home / 1,853,564.40-2,780,346.60-788,641.20

Finding the Fourth Proportional to 1,853,564.40, 2,780,346.60 and 788,641.20

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Solution

The fourth proportional to 1,853,564.40, 2,780,346.60 and 788,641.20 is: 1,182,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,564.40 : 2,780,346.60 = 788,641.20 : x
  2. Step 2: Convert to fraction form
    1,853,564.40/2,780,346.60 = 788,641.20/x
  3. Step 3: Cross multiply
    1,853,564.40x = 2,780,346.60 × 788,641.20
  4. Step 4: Simplify right side
    1,853,564.40x = 2,192,695,879,039.92
  5. Step 5: Solve for x
    x = 2,192,695,879,039.92/1,853,564.40
  6. Step 6: Final answer
    x = 1,182,961.80

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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.