Home / 1,013,521.24-1,398,564.04-686,168.32

Finding the Fourth Proportional to 1,013,521.24, 1,398,564.04 and 686,168.32

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Solution

The fourth proportional to 1,013,521.24, 1,398,564.04 and 686,168.32 is: 946,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,521.24 : 1,398,564.04 = 686,168.32 : x
  2. Step 2: Convert to fraction form
    1,013,521.24/1,398,564.04 = 686,168.32/x
  3. Step 3: Cross multiply
    1,013,521.24x = 1,398,564.04 × 686,168.32
  4. Step 4: Simplify right side
    1,013,521.24x = 959,650,337,739.21
  5. Step 5: Solve for x
    x = 959,650,337,739.21/1,013,521.24
  6. Step 6: Final answer
    x = 946,847.78

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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.