Home / 1,300,243.64-1,794,342.71-727,283.81

Finding the Fourth Proportional to 1,300,243.64, 1,794,342.71 and 727,283.81

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Solution

The fourth proportional to 1,300,243.64, 1,794,342.71 and 727,283.81 is: 1,003,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,243.64 : 1,794,342.71 = 727,283.81 : x
  2. Step 2: Convert to fraction form
    1,300,243.64/1,794,342.71 = 727,283.81/x
  3. Step 3: Cross multiply
    1,300,243.64x = 1,794,342.71 × 727,283.81
  4. Step 4: Simplify right side
    1,300,243.64x = 1,304,996,402,574.53
  5. Step 5: Solve for x
    x = 1,304,996,402,574.53/1,300,243.64
  6. Step 6: Final answer
    x = 1,003,655.29

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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.