Home / 1,100,057.14-1,518,148.98-616,622.38

Finding the Fourth Proportional to 1,100,057.14, 1,518,148.98 and 616,622.38

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Solution

The fourth proportional to 1,100,057.14, 1,518,148.98 and 616,622.38 is: 850,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,057.14 : 1,518,148.98 = 616,622.38 : x
  2. Step 2: Convert to fraction form
    1,100,057.14/1,518,148.98 = 616,622.38/x
  3. Step 3: Cross multiply
    1,100,057.14x = 1,518,148.98 × 616,622.38
  4. Step 4: Simplify right side
    1,100,057.14x = 936,124,637,242.17
  5. Step 5: Solve for x
    x = 936,124,637,242.17/1,100,057.14
  6. Step 6: Final answer
    x = 850,978.19

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1.5x scale

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.