Home / 1,085,009.18-1,627,581.45-286,291.51

Finding the Fourth Proportional to 1,085,009.18, 1,627,581.45 and 286,291.51

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Solution

The fourth proportional to 1,085,009.18, 1,627,581.45 and 286,291.51 is: 429,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,009.18 : 1,627,581.45 = 286,291.51 : x
  2. Step 2: Convert to fraction form
    1,085,009.18/1,627,581.45 = 286,291.51/x
  3. Step 3: Cross multiply
    1,085,009.18x = 1,627,581.45 × 286,291.51
  4. Step 4: Simplify right side
    1,085,009.18x = 465,962,755,517.89
  5. Step 5: Solve for x
    x = 465,962,755,517.89/1,085,009.18
  6. Step 6: Final answer
    x = 429,455.13

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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.