Home / 1,128,002.28-1,556,634.66-618,701.04

Finding the Fourth Proportional to 1,128,002.28, 1,556,634.66 and 618,701.04

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Solution

The fourth proportional to 1,128,002.28, 1,556,634.66 and 618,701.04 is: 853,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,002.28 : 1,556,634.66 = 618,701.04 : x
  2. Step 2: Convert to fraction form
    1,128,002.28/1,556,634.66 = 618,701.04/x
  3. Step 3: Cross multiply
    1,128,002.28x = 1,556,634.66 × 618,701.04
  4. Step 4: Simplify right side
    1,128,002.28x = 963,091,483,042.05
  5. Step 5: Solve for x
    x = 963,091,483,042.05/1,128,002.28
  6. Step 6: Final answer
    x = 853,802.78

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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.