Home / 1,129,258.62-1,558,378.08-613,012.23

Finding the Fourth Proportional to 1,129,258.62, 1,558,378.08 and 613,012.23

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Solution

The fourth proportional to 1,129,258.62, 1,558,378.08 and 613,012.23 is: 845,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,258.62 : 1,558,378.08 = 613,012.23 : x
  2. Step 2: Convert to fraction form
    1,129,258.62/1,558,378.08 = 613,012.23/x
  3. Step 3: Cross multiply
    1,129,258.62x = 1,558,378.08 × 613,012.23
  4. Step 4: Simplify right side
    1,129,258.62x = 955,304,822,003.92
  5. Step 5: Solve for x
    x = 955,304,822,003.92/1,129,258.62
  6. Step 6: Final answer
    x = 845,957.52

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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.