Home / 1,245,801.20-1,867,535.40-975,779.60

Finding the Fourth Proportional to 1,245,801.20, 1,867,535.40 and 975,779.60

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Solution

The fourth proportional to 1,245,801.20, 1,867,535.40 and 975,779.60 is: 1,462,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,801.20 : 1,867,535.40 = 975,779.60 : x
  2. Step 2: Convert to fraction form
    1,245,801.20/1,867,535.40 = 975,779.60/x
  3. Step 3: Cross multiply
    1,245,801.20x = 1,867,535.40 × 975,779.60
  4. Step 4: Simplify right side
    1,245,801.20x = 1,822,302,945,597.84
  5. Step 5: Solve for x
    x = 1,822,302,945,597.84/1,245,801.20
  6. Step 6: Final answer
    x = 1,462,755.81

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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.