Home / 907,672.80-1,359,176.40-669,727.20

Finding the Fourth Proportional to 907,672.80, 1,359,176.40 and 669,727.20

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Solution

The fourth proportional to 907,672.80, 1,359,176.40 and 669,727.20 is: 1,002,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,672.80 : 1,359,176.40 = 669,727.20 : x
  2. Step 2: Convert to fraction form
    907,672.80/1,359,176.40 = 669,727.20/x
  3. Step 3: Cross multiply
    907,672.80x = 1,359,176.40 × 669,727.20
  4. Step 4: Simplify right side
    907,672.80x = 910,277,404,678.08
  5. Step 5: Solve for x
    x = 910,277,404,678.08/907,672.80
  6. Step 6: Final answer
    x = 1,002,869.54

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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.