Home / 1,030,371.40-1,420,605.90-736,372.45

Finding the Fourth Proportional to 1,030,371.40, 1,420,605.90 and 736,372.45

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Solution

The fourth proportional to 1,030,371.40, 1,420,605.90 and 736,372.45 is: 1,015,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,371.40 : 1,420,605.90 = 736,372.45 : x
  2. Step 2: Convert to fraction form
    1,030,371.40/1,420,605.90 = 736,372.45/x
  3. Step 3: Cross multiply
    1,030,371.40x = 1,420,605.90 × 736,372.45
  4. Step 4: Simplify right side
    1,030,371.40x = 1,046,095,043,385.59
  5. Step 5: Solve for x
    x = 1,046,095,043,385.59/1,030,371.40
  6. Step 6: Final answer
    x = 1,015,260.17

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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.