Home / 1,223,007.14-1,687,477.91-739,562.28

Finding the Fourth Proportional to 1,223,007.14, 1,687,477.91 and 739,562.28

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Solution

The fourth proportional to 1,223,007.14, 1,687,477.91 and 739,562.28 is: 1,020,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,007.14 : 1,687,477.91 = 739,562.28 : x
  2. Step 2: Convert to fraction form
    1,223,007.14/1,687,477.91 = 739,562.28/x
  3. Step 3: Cross multiply
    1,223,007.14x = 1,687,477.91 × 739,562.28
  4. Step 4: Simplify right side
    1,223,007.14x = 1,247,995,006,871.42
  5. Step 5: Solve for x
    x = 1,247,995,006,871.42/1,223,007.14
  6. Step 6: Final answer
    x = 1,020,431.50

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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.