Home / 1,263,007.48-1,742,975.40-690,083.20

Finding the Fourth Proportional to 1,263,007.48, 1,742,975.40 and 690,083.20

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Solution

The fourth proportional to 1,263,007.48, 1,742,975.40 and 690,083.20 is: 952,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,007.48 : 1,742,975.40 = 690,083.20 : x
  2. Step 2: Convert to fraction form
    1,263,007.48/1,742,975.40 = 690,083.20/x
  3. Step 3: Cross multiply
    1,263,007.48x = 1,742,975.40 × 690,083.20
  4. Step 4: Simplify right side
    1,263,007.48x = 1,202,798,041,553.28
  5. Step 5: Solve for x
    x = 1,202,798,041,553.28/1,263,007.48
  6. Step 6: Final answer
    x = 952,328.52

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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.