Home / 1,791,707.40-2,688,338.70-905,243.40

Finding the Fourth Proportional to 1,791,707.40, 2,688,338.70 and 905,243.40

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Solution

The fourth proportional to 1,791,707.40, 2,688,338.70 and 905,243.40 is: 1,358,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,707.40 : 2,688,338.70 = 905,243.40 : x
  2. Step 2: Convert to fraction form
    1,791,707.40/2,688,338.70 = 905,243.40/x
  3. Step 3: Cross multiply
    1,791,707.40x = 2,688,338.70 × 905,243.40
  4. Step 4: Simplify right side
    1,791,707.40x = 2,433,600,865,139.58
  5. Step 5: Solve for x
    x = 2,433,600,865,139.58/1,791,707.40
  6. Step 6: Final answer
    x = 1,358,257.98

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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.