Home / 1,240,825.47-1,859,629.05-557,207.54

Finding the Fourth Proportional to 1,240,825.47, 1,859,629.05 and 557,207.54

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Solution

The fourth proportional to 1,240,825.47, 1,859,629.05 and 557,207.54 is: 835,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,825.47 : 1,859,629.05 = 557,207.54 : x
  2. Step 2: Convert to fraction form
    1,240,825.47/1,859,629.05 = 557,207.54/x
  3. Step 3: Cross multiply
    1,240,825.47x = 1,859,629.05 × 557,207.54
  4. Step 4: Simplify right side
    1,240,825.47x = 1,036,199,330,822.58
  5. Step 5: Solve for x
    x = 1,036,199,330,822.58/1,240,825.47
  6. Step 6: Final answer
    x = 835,088.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.