Home / 879,835.20-1,315,816.20-738,117.60

Finding the Fourth Proportional to 879,835.20, 1,315,816.20 and 738,117.60

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Solution

The fourth proportional to 879,835.20, 1,315,816.20 and 738,117.60 is: 1,103,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,835.20 : 1,315,816.20 = 738,117.60 : x
  2. Step 2: Convert to fraction form
    879,835.20/1,315,816.20 = 738,117.60/x
  3. Step 3: Cross multiply
    879,835.20x = 1,315,816.20 × 738,117.60
  4. Step 4: Simplify right side
    879,835.20x = 971,227,095,585.12
  5. Step 5: Solve for x
    x = 971,227,095,585.12/879,835.20
  6. Step 6: Final answer
    x = 1,103,873.88

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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.