Home / 1,235,788.40-1,853,855.40-525,810.80

Finding the Fourth Proportional to 1,235,788.40, 1,853,855.40 and 525,810.80

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Solution

The fourth proportional to 1,235,788.40, 1,853,855.40 and 525,810.80 is: 788,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,788.40 : 1,853,855.40 = 525,810.80 : x
  2. Step 2: Convert to fraction form
    1,235,788.40/1,853,855.40 = 525,810.80/x
  3. Step 3: Cross multiply
    1,235,788.40x = 1,853,855.40 × 525,810.80
  4. Step 4: Simplify right side
    1,235,788.40x = 974,777,190,958.32
  5. Step 5: Solve for x
    x = 974,777,190,958.32/1,235,788.40
  6. Step 6: Final answer
    x = 788,789.72

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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.