Home / 1,309,901.10-1,807,660.71-736,941.66

Finding the Fourth Proportional to 1,309,901.10, 1,807,660.71 and 736,941.66

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Solution

The fourth proportional to 1,309,901.10, 1,807,660.71 and 736,941.66 is: 1,016,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,901.10 : 1,807,660.71 = 736,941.66 : x
  2. Step 2: Convert to fraction form
    1,309,901.10/1,807,660.71 = 736,941.66/x
  3. Step 3: Cross multiply
    1,309,901.10x = 1,807,660.71 × 736,941.66
  4. Step 4: Simplify right side
    1,309,901.10x = 1,332,140,484,344.18
  5. Step 5: Solve for x
    x = 1,332,140,484,344.18/1,309,901.10
  6. Step 6: Final answer
    x = 1,016,977.91

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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.