Home / 1,309,678.30-1,807,461.03-736,684.30

Finding the Fourth Proportional to 1,309,678.30, 1,807,461.03 and 736,684.30

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Solution

The fourth proportional to 1,309,678.30, 1,807,461.03 and 736,684.30 is: 1,016,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,678.30 : 1,807,461.03 = 736,684.30 : x
  2. Step 2: Convert to fraction form
    1,309,678.30/1,807,461.03 = 736,684.30/x
  3. Step 3: Cross multiply
    1,309,678.30x = 1,807,461.03 × 736,684.30
  4. Step 4: Simplify right side
    1,309,678.30x = 1,331,528,163,662.83
  5. Step 5: Solve for x
    x = 1,331,528,163,662.83/1,309,678.30
  6. Step 6: Final answer
    x = 1,016,683.38

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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.