Home / 917,043.20-1,376,601.60-707,609.60

Finding the Fourth Proportional to 917,043.20, 1,376,601.60 and 707,609.60

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Solution

The fourth proportional to 917,043.20, 1,376,601.60 and 707,609.60 is: 1,062,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,043.20 : 1,376,601.60 = 707,609.60 : x
  2. Step 2: Convert to fraction form
    917,043.20/1,376,601.60 = 707,609.60/x
  3. Step 3: Cross multiply
    917,043.20x = 1,376,601.60 × 707,609.60
  4. Step 4: Simplify right side
    917,043.20x = 974,096,507,535.36
  5. Step 5: Solve for x
    x = 974,096,507,535.36/917,043.20
  6. Step 6: Final answer
    x = 1,062,214.42

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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.