Home / 1,656,712.93-2,485,111.67-458,645.58

Finding the Fourth Proportional to 1,656,712.93, 2,485,111.67 and 458,645.58

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Solution

The fourth proportional to 1,656,712.93, 2,485,111.67 and 458,645.58 is: 687,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,712.93 : 2,485,111.67 = 458,645.58 : x
  2. Step 2: Convert to fraction form
    1,656,712.93/2,485,111.67 = 458,645.58/x
  3. Step 3: Cross multiply
    1,656,712.93x = 2,485,111.67 × 458,645.58
  4. Step 4: Simplify right side
    1,656,712.93x = 1,139,785,483,251.92
  5. Step 5: Solve for x
    x = 1,139,785,483,251.92/1,656,712.93
  6. Step 6: Final answer
    x = 687,980.07

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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.