Home / 1,128,995.04-1,557,999.93-612,749.85

Finding the Fourth Proportional to 1,128,995.04, 1,557,999.93 and 612,749.85

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Solution

The fourth proportional to 1,128,995.04, 1,557,999.93 and 612,749.85 is: 845,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,995.04 : 1,557,999.93 = 612,749.85 : x
  2. Step 2: Convert to fraction form
    1,128,995.04/1,557,999.93 = 612,749.85/x
  3. Step 3: Cross multiply
    1,128,995.04x = 1,557,999.93 × 612,749.85
  4. Step 4: Simplify right side
    1,128,995.04x = 954,664,223,407.51
  5. Step 5: Solve for x
    x = 954,664,223,407.51/1,128,995.04
  6. Step 6: Final answer
    x = 845,587.62

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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.