Home / 1,085,647.36-1,628,484.90-286,922

Finding the Fourth Proportional to 1,085,647.36, 1,628,484.90 and 286,922

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Solution

The fourth proportional to 1,085,647.36, 1,628,484.90 and 286,922 is: 430,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,647.36 : 1,628,484.90 = 286,922 : x
  2. Step 2: Convert to fraction form
    1,085,647.36/1,628,484.90 = 286,922/x
  3. Step 3: Cross multiply
    1,085,647.36x = 1,628,484.90 × 286,922
  4. Step 4: Simplify right side
    1,085,647.36x = 467,248,144,477.80
  5. Step 5: Solve for x
    x = 467,248,144,477.80/1,085,647.36
  6. Step 6: Final answer
    x = 430,386.66

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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.