Home / 1,013,622.10-1,398,799.04-554,736.40

Finding the Fourth Proportional to 1,013,622.10, 1,398,799.04 and 554,736.40

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Solution

The fourth proportional to 1,013,622.10, 1,398,799.04 and 554,736.40 is: 765,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,622.10 : 1,398,799.04 = 554,736.40 : x
  2. Step 2: Convert to fraction form
    1,013,622.10/1,398,799.04 = 554,736.40/x
  3. Step 3: Cross multiply
    1,013,622.10x = 1,398,799.04 × 554,736.40
  4. Step 4: Simplify right side
    1,013,622.10x = 775,964,743,773.06
  5. Step 5: Solve for x
    x = 775,964,743,773.06/1,013,622.10
  6. Step 6: Final answer
    x = 765,536.53

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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.