Home / 1,306,564.40-1,957,222.20-907,655.60

Finding the Fourth Proportional to 1,306,564.40, 1,957,222.20 and 907,655.60

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Solution

The fourth proportional to 1,306,564.40, 1,957,222.20 and 907,655.60 is: 1,359,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,564.40 : 1,957,222.20 = 907,655.60 : x
  2. Step 2: Convert to fraction form
    1,306,564.40/1,957,222.20 = 907,655.60/x
  3. Step 3: Cross multiply
    1,306,564.40x = 1,957,222.20 × 907,655.60
  4. Step 4: Simplify right side
    1,306,564.40x = 1,776,483,690,274.32
  5. Step 5: Solve for x
    x = 1,776,483,690,274.32/1,306,564.40
  6. Step 6: Final answer
    x = 1,359,660.26

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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.