Home / 1,309,205.40-1,806,686.20-736,245.40

Finding the Fourth Proportional to 1,309,205.40, 1,806,686.20 and 736,245.40

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Solution

The fourth proportional to 1,309,205.40, 1,806,686.20 and 736,245.40 is: 1,016,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,205.40 : 1,806,686.20 = 736,245.40 : x
  2. Step 2: Convert to fraction form
    1,309,205.40/1,806,686.20 = 736,245.40/x
  3. Step 3: Cross multiply
    1,309,205.40x = 1,806,686.20 × 736,245.40
  4. Step 4: Simplify right side
    1,309,205.40x = 1,330,164,403,993.48
  5. Step 5: Solve for x
    x = 1,330,164,403,993.48/1,309,205.40
  6. Step 6: Final answer
    x = 1,016,008.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.